{"title":"Distributor Advance Lockouts","description":null,"products":[{"product_id":"dui-distributorvacuum-advance-lockout","title":"DUI Distributor Vacuum Advance Lockout Kit — Fits GM HEI Distributors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout DUI Distributor\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDUI Distributor engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full DUI Distributor lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/LuB7LBkKGVM\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eConvert Your HEI for Racing Performance\u003c\/h2\u003e\u003cp\u003eTransform your standard GM HEI distributor into a dedicated racing ignition system with the DUI Vacuum Advance Lockout Kit. This aluminum lockout is designed to fix your timing curve, eliminating the vacuum advance mechanism. By locking out the vacuum advance, you ensure that your ignition timing remains consistent, which is essential for high-performance and competitive racing applications.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Optimization:\u003c\/strong\u003e Locks out vacuum advance for a consistent timing curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Construction:\u003c\/strong\u003e Lightweight and durable for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for GM HEI distributors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRacing Ready:\u003c\/strong\u003e Ideal for drag racing, circle track, and high-performance street builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRemoving the vacuum advance is a common modification for racers who want to eliminate timing variables that can cause detonation or power loss at high RPMs. This lockout kit provides a simple, effective way to achieve this modification without needing to purchase an entirely new distributor. It is a cost-effective solution for those looking to squeeze more performance out of their existing ignition setup. Installation is straightforward, allowing you to quickly adapt your vehicle for the track. When you need reliable performance parts that deliver real results, you can count on the selection at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular DUI Distributor products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dui-distributorplug-wires-ford-blue-351w-351c-390-46\" style=\"color:#0066cc;text-decoration:none;\"\u003eDUI Distributor Livewires Spark Plug Wires - Blue 10mm — Fits Small Block Ford 351W\/C, 390\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dui-distributorplug-wires-toyota-f-2f-landcruiser-68-87-hei\" style=\"color:#0066cc;text-decoration:none;\"\u003eDUI Distributor Livewires 10mm Spark Plug Wires — Toyota 2F Inline-6 68-87\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dui-distributordistributor-cap-rotor-kit-gm-v8-crossfire\" style=\"color:#0066cc;text-decoration:none;\"\u003eDUI Distributor HEI Cap \u0026amp; Rotor Kit — Chevy V8 Brass Terminals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dui-distributorlivewires-coil-wire-18in-with-90-deg-hei-boots\" style=\"color:#0066cc;text-decoration:none;\"\u003eDUI Distributor LiveWires 10mm Coil Wire - 18in, 90-Degree HEI Boots - Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dui-distributorracing-distributor-sbc-locked-out-advance\" style=\"color:#0066cc;text-decoration:none;\"\u003eDUI Distributor Small Block Chevy Racing Distributor — Locked Out Advance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"DUI Distributor Vacuum Advance Lockout Kit \\u2014 Fits GM HEI Distributors\",\"description\":\"Convert your street distributor to a racing-spec unit with the DUI Vacuum Advance Lockout Kit. Perfect for GM HEI. Shop at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"DUI Distributor\"},\"mpn\":\"333333\",\"url\":\"https:\/\/ggcracing.com\/products\/dui-distributorvacuum-advance-lockout\",\"offers\":{\"@type\":\"Offer\",\"price\":\"11.75\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/dui-distributorvacuum-advance-lockout\",\"sku\":\"GBWW_333333\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DUI Distributor\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=DUI+Distributor\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"DUI Distributor Vacuum Advance Lockout Kit \\u2014 Fits GM HEI Distributors\",\"item\":\"https:\/\/ggcracing.com\/products\/dui-distributorvacuum-advance-lockout\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the DUI Distributor Vacuum Advance Lockout Kit \\u2014 Fits GM HEI Distributors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for DUI Distributor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the DUI Distributor Vacuum Advance Lockout Kit \\u2014 Fits GM HEI Distributors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"DUI Distributor","offers":[{"title":"Default Title","offer_id":41121422737492,"sku":"GBWW_333333","price":11.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DUI333333.jpg?v=1717375917"},{"product_id":"fastadvance-lockout-kit-gm-hei-distributor","title":"FAST Advance Lockout Kit GM HEI Distributor Aluminum — Performance Parts","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout FAST\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFAST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FAST lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/yBpduhKWmAk\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eEliminate Timing Variation\u003c\/h2\u003e\u003cp\u003eThe FAST Advance Lockout Kit (1000-2503) is the perfect solution for performance enthusiasts looking to lock out the mechanical and vacuum advance in their GM HEI distributors. By fixing the timing, you eliminate the variables associated with mechanical advance weights and springs, allowing for a consistent, locked-in ignition curve that is essential for high-performance engines and racing applications.\u003c\/p\u003e\u003ch3\u003eWhy Use an Advance Lockout?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Timing:\u003c\/strong\u003e Removes mechanical and vacuum advance variables for predictable engine behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Aluminum:\u003c\/strong\u003e Precision-machined for a perfect fit and long-lasting durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Designed specifically for GM HEI distributors to simplify the lockout process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Optimization:\u003c\/strong\u003e Ideal for engines running aftermarket ignition boxes or programmable ECUs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are setting up a dedicated race engine or fine-tuning a high-output street machine, this lockout kit provides the stability your ignition system needs. By removing the mechanical components that can wear out or cause inconsistent timing, you ensure that your engine performs exactly as intended under all conditions. This kit is a simple yet effective upgrade for any builder who prioritizes precision and reliability in their ignition setup. Get the most out of your GM HEI distributor with this essential performance component. Discover more high-quality ignition upgrades at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular FAST products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST 1000-1403 Distributor Cap — Fits HEI Style V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastadapter-large-dist-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Distributor Cap Adapter Small to Large Black Clip-On — Universal Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap-small-diameter\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Small Diameter Distributor Cap HEI Brass Terminals — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastrace-billet-distributor-chevy-v8-small-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Race Billet Distributor Magnetic Trigger Small Cap — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastoptical-trigger-sensor-unit-w-weatherpak-term\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Optical Trigger Sensor Unit Weatherpak Terminal — Fits Pro Race Dist.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"FAST Advance Lockout Kit GM HEI Distributor Aluminum \\u2014 Performance Parts\",\"description\":\"Lock out your timing with the FAST Advance Lockout Kit for GM HEI distributors. Durable aluminum construction for consistent performance. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"FAST\"},\"mpn\":\"1000-2503\",\"url\":\"https:\/\/ggcracing.com\/products\/fastadvance-lockout-kit-gm-hei-distributor\",\"offers\":{\"@type\":\"Offer\",\"price\":\"20.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/fastadvance-lockout-kit-gm-hei-distributor\",\"sku\":\"DXKP_1000-2503\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FAST\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=FAST\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"FAST Advance Lockout Kit GM HEI Distributor Aluminum \\u2014 Performance Parts\",\"item\":\"https:\/\/ggcracing.com\/products\/fastadvance-lockout-kit-gm-hei-distributor\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the FAST Advance Lockout Kit GM HEI Distributor Aluminum \\u2014 Performance Parts fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for FAST?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the FAST Advance Lockout Kit GM HEI Distributor Aluminum \\u2014 Performance Parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"FAST","offers":[{"title":"Default Title","offer_id":41122410954836,"sku":"DXKP_1000-2503","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/FST1000-2503.jpg?v=1717389449"},{"product_id":"champ-pans-dist-adv-lockdown-plate-gm-hei-w-vacuum-advance","title":"Champ Pans CP725 Distributor Advance Lockdown Plate — GM HEI","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Champ Pans\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChamp Pans engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Champ Pans lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eChamp Pans CP725 Distributor Advance Lockdown Plate\u003c\/h2\u003e\u003cp\u003eMaximize your engine's performance with the Champ Pans CP725 Distributor Advance Lockdown Plate. Designed specifically for GM HEI distributors, this component is essential for racers looking to lock out their mechanical or vacuum advance timing. By eliminating timing fluctuations, you ensure consistent ignition performance across the entire RPM range, which is critical for high-output racing applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatibility: GM HEI Distributors\u003c\/li\u003e\n\u003cli\u003eFunction: Locks out vacuum and mechanical advance\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength precision-cut steel\u003c\/li\u003e\n\u003cli\u003eApplication: Racing and high-performance street engines\u003c\/li\u003e\n\u003cli\u003eInstallation: Direct fit for standard HEI housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePrecision is the key to winning, and the CP725 lockdown plate provides the stability your ignition system needs. Whether you are running a dedicated race car or a high-compression street build, preventing unwanted timing advance can save your engine from detonation and improve overall power delivery. This simple yet effective upgrade is a staple for engine builders who prioritize reliability and tuning accuracy. Its robust construction ensures it holds up under the vibration and heat of a racing environment. Trust your ignition setup to quality components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Champ Pans products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Oil Pump Pick-Up — 3\/4\" Inlet Tube for Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up — 3\/4 in Inlet for Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-2\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up 3\/4in Inlet — Fits Small Block Chevy 7in Deep Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-3\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up 3\/4in Inlet — Fits Small Block Chevy 8in Deep Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Road Race Oil Pump Pick-Up 5\/8in Inlet — Fits Small Block Chevy 7in Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Champ Pans CP725 Distributor Advance Lockdown Plate \\u2014 GM HEI\",\"description\":\"Lock out your timing with the Champ Pans CP725 Distributor Advance Lockdown Plate for GM HEI systems. Precision engineering for racing. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Champ Pans\"},\"mpn\":\"CP725\",\"url\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-vacuum-advance\",\"offers\":{\"@type\":\"Offer\",\"price\":\"2.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-vacuum-advance\",\"sku\":\"BJBK_CP725\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Champ Pans\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Champ+Pans\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Champ Pans CP725 Distributor Advance Lockdown Plate \\u2014 GM HEI\",\"item\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-vacuum-advance\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Champ Pans CP725 Distributor Advance Lockdown Plate \\u2014 GM HEI fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Champ Pans?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Champ Pans CP725 Distributor Advance Lockdown Plate \\u2014 GM HEI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Champ Pans","offers":[{"title":"Default Title","offer_id":41443670818900,"sku":"BJBK_CP725","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/CHACP725.jpg?v=1721531948"},{"product_id":"champ-pans-dist-adv-lockdown-plate-gm-hei-w-mech-advance","title":"Champ Pans Distributor Advance Lockout Plate GM HEI — Mechanical Advance","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Champ Pans\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChamp Pans engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Champ Pans lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eGM HEI Distributor Advance Lockout\u003c\/h2\u003e\u003cp\u003eTake full control of your ignition timing with the Champ Pans Mechanical Advance Lockout Plate for GM HEI distributors. This essential component is designed for racers who require consistent, locked-out timing for maximum engine performance. By eliminating the mechanical advance mechanism, you prevent timing fluctuations that can occur under high-RPM racing conditions, ensuring your engine runs at peak efficiency.\u003c\/p\u003e\u003ch3\u003eWhy Use a Lockout Plate?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatibility: Fits GM HEI distributors\u003c\/li\u003e\n\u003cli\u003eFunction: Locks out mechanical advance for consistent timing\u003c\/li\u003e\n\u003cli\u003eDurability: Precision-engineered for a secure fit\u003c\/li\u003e\n\u003cli\u003ePerformance: Ideal for racing engines requiring fixed timing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInstalling this lockout plate is a straightforward process that yields immediate benefits for your ignition system. It is the preferred choice for drag racing and circle track applications where timing stability is non-negotiable. By removing the moving parts of the mechanical advance, you reduce the risk of timing drift, allowing your engine to perform reliably lap after lap.\u003c\/p\u003e\u003cp\u003eAt GGCRACING, we understand that every detail matters when you are chasing podium finishes. Our selection of ignition components, including this Champ Pans lockout plate, is curated to help you achieve the precision your engine deserves. Whether you are a professional engine builder or a weekend warrior, this simple yet effective upgrade is a must-have for your GM HEI ignition setup. Secure your timing and optimize your engine's power output with premium parts from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Champ Pans products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Oil Pump Pick-Up — 3\/4\" Inlet Tube for Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up — 3\/4 in Inlet for Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-2\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up 3\/4in Inlet — Fits Small Block Chevy 7in Deep Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-3\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Competition Oil Pump Pick-Up 3\/4in Inlet — Fits Small Block Chevy 8in Deep Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/champ-pans-oil-pump-pick-up-4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChamp Pans Road Race Oil Pump Pick-Up 5\/8in Inlet — Fits Small Block Chevy 7in Pan\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Champ Pans Distributor Advance Lockout Plate GM HEI \\u2014 Mechanical Advance\",\"description\":\"Lock out your mechanical advance with the Champ Pans GM HEI lockout plate. Perfect for consistent ignition timing in racing. Shop GGCRACING today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Champ Pans\"},\"mpn\":\"CP726\",\"url\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-mech-advance\",\"offers\":{\"@type\":\"Offer\",\"price\":\"1.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-mech-advance\",\"sku\":\"BJBK_CP726\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Champ Pans\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Champ+Pans\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Champ Pans Distributor Advance Lockout Plate GM HEI \\u2014 Mechanical Advance\",\"item\":\"https:\/\/ggcracing.com\/products\/champ-pans-dist-adv-lockdown-plate-gm-hei-w-mech-advance\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Champ Pans Distributor Advance Lockout Plate GM HEI \\u2014 Mechanical Advance fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Champ Pans?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Champ Pans Distributor Advance Lockout Plate GM HEI \\u2014 Mechanical Advance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Champ Pans","offers":[{"title":"Default Title","offer_id":41443675308116,"sku":"BJBK_CP726","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/CHACP726.jpg?v=1721532078"},{"product_id":"hei-vacuum-advance-stop-plate","title":"MSD HEI Vacuum Advance Stop Plate Kit","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout MSD\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMSD Performance has been America's ignition leader since 1971 — multiple-spark discharge boxes, distributors, and coils for every imaginable carbureted and EFI platform. The OE-quality choice for hot rods, street machines, and circle-track racers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/msHlcjrnjV0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eMSD HEI Vacuum Advance Stop Plate Kit - Optimize Your Timing\u003c\/h2\u003e\n\u003cp\u003eAchieve precise and consistent ignition timing with the MSD HEI Vacuum Advance Stop Plate Kit. This essential component is designed to limit the travel of your vacuum advance mechanism, preventing over-advance and ensuring optimal engine performance, especially under high-load conditions. By controlling the vacuum advance, you can fine-tune your engine's timing curve for improved power delivery and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLimits Vacuum Advance:\u003c\/strong\u003e Effectively restricts the vacuum advance to prevent excessive timing changes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimizes Timing:\u003c\/strong\u003e Helps maintain a more stable and predictable timing curve for better engine response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrevents Detonation:\u003c\/strong\u003e By controlling over-advance, it reduces the risk of engine knock or detonation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for MSD Distributors:\u003c\/strong\u003e Engineered to work seamlessly with MSD HEI distributors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes all necessary components for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eProper ignition timing is crucial for maximizing horsepower, torque, and fuel efficiency while protecting your engine from damage. The MSD HEI Vacuum Advance Stop Plate Kit provides a simple yet effective way to manage your distributor's vacuum advance, ensuring your engine runs at its best. Whether you're tuning for street performance or race applications, this kit offers the control you need. Trust MSD for high-performance ignition components. Find the full range of MSD products at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular MSD products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/replacement-module-for-ct-hei-distributor\" style=\"color:#0066cc;text-decoration:none;\"\u003eMSD Replacement Ignition Module for CT HEI Distributor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pro-600-cdi-high-output-ignition-coil-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eMSD Pro 600 CDI High Output Ignition \u0026amp; Coil Kit - Red\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/6-off-road-ignition-box\" style=\"color:#0066cc;text-decoration:none;\"\u003eMSD 6 Off-Road Digital-6 CD Ignition Box — Multi-Spark, Rev Limiter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dirt-spec-ignition-box\" style=\"color:#0066cc;text-decoration:none;\"\u003eMSD Dirt Motorsports 6ALN Analog Ignition Box — Multi-Spark, Rev Limiter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pro-600-cdi-high-output-ignition-coil-kit-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eMSD Pro 600 CDI 8 Channel Ignition \u0026amp; Coil Kit — Holley EFI Compatible\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"MSD HEI Vacuum Advance Stop Plate Kit\",\"description\":\"Limit vacuum advance with the MSD HEI Vacuum Advance Stop Plate Kit. Ensures consistent timing for optimal performance. Shop MSD parts at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"MSD\"},\"mpn\":\"84281\",\"url\":\"https:\/\/ggcracing.com\/products\/hei-vacuum-advance-stop-plate\",\"offers\":{\"@type\":\"Offer\",\"price\":\"12.06\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/hei-vacuum-advance-stop-plate\",\"sku\":\"BCCX_84281\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"MSD\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=MSD\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"MSD HEI Vacuum Advance Stop Plate Kit\",\"item\":\"https:\/\/ggcracing.com\/products\/hei-vacuum-advance-stop-plate\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the MSD HEI Vacuum Advance Stop Plate Kit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for MSD?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the MSD HEI Vacuum Advance Stop Plate Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"MSD","offers":[{"title":"Default Title","offer_id":41654902620244,"sku":"BCCX_84281","price":12.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MSD84281.jpg?v=1729796521"}],"url":"https:\/\/ggcracing.com\/collections\/distributor-advance-lockouts\/closeout.oembed","provider":"GGCRACING INC","version":"1.0","type":"link"}