{"product_id":"ub-machine-caster-slug-25-offset","title":"UB Machine Caster Slug .25 Offset — Slotted Upper Control Arm Hardware","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 UB Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eUB Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full UB Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Caster Adjustment Slugs\u003c\/h2\u003e\u003cp\u003eAchieve the perfect alignment with the UB Machine Caster Slug. Featuring a 1\/4-inch offset and a 1\/2-inch ID hole, these slugs are designed for use with slotted upper control arms to provide precise caster adjustments. When you need to dial in your front-end geometry for specific track layouts, these slugs offer the accuracy and repeatability that professional racing teams rely on.\u003c\/p\u003e\u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset:\u003c\/strong\u003e 0.25-inch offset for fine-tuning caster angles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Lightweight, high-strength aluminum construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for use with slotted upper control arms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Size:\u003c\/strong\u003e 1\/2-inch ID for standard mounting hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural aluminum finish for a clean, professional look.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCaster settings are vital for high-speed stability and steering return. These caster slugs allow you to make incremental changes to your suspension setup quickly, ensuring your vehicle tracks straight and corners with maximum grip. The aluminum construction keeps weight to a minimum while providing the strength needed to hold your settings under load. Because they are designed for slotted control arms, they provide a secure lock that prevents your alignment from shifting during aggressive driving. Whether you are adjusting for a tight oval or a high-speed road course, these slugs are an essential addition to your trackside tool kit. Trust in the precision engineering of UB Machine to keep your suspension geometry exactly where you need it. Get the best in alignment hardware for your race car 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 UB Machine 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\/ub-machine-caliper-bracket-gm-3r\" style=\"color:#0066cc;text-decoration:none;\"\u003eUB Machine Rear Caliper Bracket Weld-On — Fits 3in Axle Tube GM-3r\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ub-machine-caster-slug-500-offset\" style=\"color:#0066cc;text-decoration:none;\"\u003eUB Machine Caster Slug .500 Offset — Fits Slotted Upper Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ub-machine-mono-ball-lower-control\" style=\"color:#0066cc;text-decoration:none;\"\u003eUB Machine Mono Ball Lower Control Arm Bushing — Fits GM A-Body G-Body\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ub-machine-formed-rack-plate-narrow\" style=\"color:#0066cc;text-decoration:none;\"\u003eUB Machine Formed Rack Plate Narrow — 3\/16 inch Steel Mount\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ub-machine-caster-slug-zero-offset\" style=\"color:#0066cc;text-decoration:none;\"\u003eUB Machine Caster Slug Zero Offset — Aluminum Slotted Control Arm\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\":\"UB Machine Caster Slug .25 Offset \\u2014 Slotted Upper Control Arm Hardware\",\"description\":\"Fine-tune your caster settings with the UB Machine .25 Offset Caster Slug. Lightweight aluminum for slotted upper control arms. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"UB Machine\"},\"mpn\":\"15-0040-C\",\"url\":\"https:\/\/ggcracing.com\/products\/ub-machine-caster-slug-25-offset\",\"offers\":{\"@type\":\"Offer\",\"price\":\"13.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ub-machine-caster-slug-25-offset\",\"sku\":\"BJZP_15-0040-C\"}}\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\":\"UB Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=UB+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"UB Machine Caster Slug .25 Offset \\u2014 Slotted Upper Control Arm Hardware\",\"item\":\"https:\/\/ggcracing.com\/products\/ub-machine-caster-slug-25-offset\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the UB Machine Caster Slug .25 Offset \\u2014 Slotted Upper Control Arm Hardware 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 UB Machine?\",\"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 UB Machine Caster Slug .25 Offset \\u2014 Slotted Upper Control Arm Hardware?\",\"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":"UB Machine","offers":[{"title":"Default Title","offer_id":41435209007188,"sku":"BJZP_15-0040-C","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/UBM15-0040-C.jpg?v=1721440587","url":"https:\/\/ggcracing.com\/en-co\/products\/ub-machine-caster-slug-25-offset","provider":"GGCRACING INC","version":"1.0","type":"link"}