{"product_id":"allstar-performance-spark-plug-race-wire-set-under-header-w-sleeve","title":"Allstar Performance Spark Plug Wire Set 8mm Sleeved Under Header — Fits Small Block Chevy","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 Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\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\/2FZA8dsG7Ls\" 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\u003eUltimate Heat Protection for Under-Header Routing\u003c\/h2\u003e\u003cp\u003eWhen running headers on your Small Block Chevy, heat soak is the primary enemy of your ignition system. The Allstar Performance 8mm Sleeved Spark Plug Wire Set is specifically engineered to combat this, featuring integrated protective sleeving that shields the wires from the intense radiant heat of exhaust headers. This under-header routing kit ensures your spark remains strong and consistent, even under the most demanding racing conditions.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Protection:\u003c\/strong\u003e Integrated sleeving prevents heat-related misfires and insulation breakdown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm Spiral Core:\u003c\/strong\u003e Delivers maximum spark energy with minimal resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder-Header Design:\u003c\/strong\u003e Keeps engine bays clean and wires away from hot exhaust components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEI Compatibility:\u003c\/strong\u003e Equipped with industry-standard HEI terminals for reliable distributor connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fit:\u003c\/strong\u003e Custom-tailored for Small Block Chevy engines to ensure optimal wire length and routing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese wires are a must-have for any high-performance build where exhaust heat is a concern. By utilizing high-quality materials and a robust design, this kit prevents the common issues of wire cracking and spark leakage that plague standard ignition setups. Trust in the durability of Allstar Performance components to keep your engine firing perfectly lap after lap. Upgrade your vehicle's ignition today with these premium sleeved wires 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 Allstar Performance 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\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\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\":\"Allstar Performance Spark Plug Wire Set 8mm Sleeved Under Header \\u2014 Fits Small Block Chevy\",\"description\":\"Protect your ignition wires from extreme heat with Allstar Performance 8mm sleeved wires for SBC under-header routing. Order your race-ready kit today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL81370\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-spark-plug-race-wire-set-under-header-w-sleeve\",\"offers\":{\"@type\":\"Offer\",\"price\":\"159.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-spark-plug-race-wire-set-under-header-w-sleeve\",\"sku\":\"DNLF_ALL81370\"}}\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\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Spark Plug Wire Set 8mm Sleeved Under Header \\u2014 Fits Small Block Chevy\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-spark-plug-race-wire-set-under-header-w-sleeve\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Spark Plug Wire Set 8mm Sleeved Under Header \\u2014 Fits Small Bl 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 Allstar Performance?\",\"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 Allstar Performance Spark Plug Wire Set 8mm Sleeved Under Header \\u2014 Fits Small Bl?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351356416084,"sku":"DNLF_ALL81370","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL81370.jpg?v=1719184291","url":"https:\/\/ggcracing.com\/en-co\/products\/allstar-performance-spark-plug-race-wire-set-under-header-w-sleeve","provider":"GGCRACING INC","version":"1.0","type":"link"}