{"product_id":"granatelli-gm-ls-lt-0-ohm-12-yellow-high-temp-spark-plug-wires-28-1629hty","title":"Granatelli GM LS \u0026 LT 0-Ohm 12\" Yellow High-Temp Spark Plug Wires – 28-1629HTY","description":"\u003cdiv class=\"gms-product-description\"\u003e\n\n\u003cdiv style=\"margin-bottom:22px;\"\u003e\n\u003cp style=\"font-size:19px; line-height:1.6; font-weight:700; margin:0 0 14px 0;\"\u003eMake your ignition system stand out while delivering the spark performance your LS or LT deserves. Granatelli 12-inch yellow 0-Ohm wires combine bold engine-bay styling with high-temperature construction and a direct path for maximum available ignition energy.\u003c\/p\u003e\n\n\u003cp style=\"line-height:1.65; margin:0 0 14px 0;\"\u003eThe \u003cstrong\u003eGranatelli 28-1629HTY 0-Ohm High-Performance Spark Plug Wire Set\u003c\/strong\u003e is designed for performance applications that benefit from a longer \u003cstrong\u003e12-inch boot-to-boot wire length\u003c\/strong\u003e. The extra reach provides additional routing flexibility around headers, brackets, accessories and relocated ignition coils while maintaining a clean, controlled installation.\u003c\/p\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eBuilt with \u003cstrong\u003e8mm yellow high-temperature silicone insulation\u003c\/strong\u003e rated beyond 500°F and a stainless-steel spiral-wound core, these wires deliver the heat resistance, EMI\/RFI suppression and true 0-Ohm performance needed for demanding street, strip and high-horsepower GM LS \u0026amp; LT applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#111111; padding:20px; margin:22px 0; text-align:center;\"\u003e\n\u003ch3 style=\"color:#ffffff; margin:0 0 8px 0; font-size:24px;\"\u003eBOLD COLOR. ZERO-OHM PERFORMANCE. SERIOUS SPARK.\u003c\/h3\u003e\n\n\u003cp style=\"color:#ffd400; font-size:20px; font-weight:bold; margin:0 0 8px 0;\"\u003eGUARANTEED 5–10 HP GAIN\u003c\/p\u003e\n\n\u003cp style=\"color:#ffffff; line-height:1.65; margin:0;\"\u003eNaturally aspirated applications can see a measurable horsepower increase, while \u003cstrong style=\"color:#ffffff;\"\u003esupercharged, turbocharged and nitrous combinations may see even greater gains\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f4f4f4; border-left:5px solid #e5c100; padding:18px 20px; margin:22px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 12px 0;\"\u003eKey Features\u003c\/h3\u003e\n\n\u003cul style=\"margin:0; padding-left:22px; line-height:1.8;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue 0-Ohm resistance\u003c\/strong\u003e for maximum available ignition-energy transfer\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12\" overall length – measured boot end to boot end\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e8mm yellow high-temperature silicone insulation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHeat resistant beyond \u003cstrong\u003e500°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless-steel spiral-wound core helps suppress EMI \u0026amp; RFI interference\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible GM LS \u0026amp; LT coil-near-plug ignition applications\u003c\/li\u003e\n\u003cli\u003e12-inch length provides additional flexibility for custom routing\u003c\/li\u003e\n\u003cli\u003eExcellent for headers, relocated coils and modified engine bays\u003c\/li\u003e\n\u003cli\u003eOE-style connections for straightforward installation\u003c\/li\u003e\n\u003cli\u003eCompatible with modern ECUs and aftermarket tuning systems\u003c\/li\u003e\n\u003cli\u003eExcellent for naturally aspirated, supercharged, turbocharged and nitrous applications\u003c\/li\u003e\n\u003cli\u003ePre-assembled – no cutting, trimming or crimping required\u003c\/li\u003e\n\u003cli\u003eComplete V8 set – 8 wires\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff3cd; border:2px solid #e0a800; padding:16px 18px; margin:22px 0;\"\u003e\n\u003cp style=\"margin:0; line-height:1.65;\"\u003e\u003cstrong\u003eMore Length for Better Routing:\u003c\/strong\u003e The \u003cstrong\u003e12-inch boot-to-boot configuration\u003c\/strong\u003e gives you additional freedom to route around headers, accessories, brackets and custom coil locations. This added reach can help reduce tension on the terminals while keeping the installation clean and organized.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003e0-Ohm Technology for Maximum Spark Delivery\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eGranatelli's \u003cstrong\u003e0-Ohm conductor design\u003c\/strong\u003e is engineered to minimize resistance between the ignition coil and spark plug so the maximum available coil energy reaches the plug. Strong and consistent spark delivery becomes increasingly important as RPM, cylinder pressure, boost and horsepower increase.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003e12\" Length for Flexible LS \u0026amp; LT Routing\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eThe \u003cstrong\u003e12-inch boot-to-boot length\u003c\/strong\u003e makes the 28-1629HTY a strong choice for LS swaps, custom engine bays and relocated coil setups where shorter wires may limit routing options. The additional length allows you to position the wires more carefully around headers and other high-temperature components.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003eHigh-Temperature Yellow Silicone Construction\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003ePerformance headers, turbo systems and exhaust components can create intense under-hood temperatures. The \u003cstrong\u003e8mm yellow high-temperature silicone jackets\u003c\/strong\u003e are rated beyond 500°F, providing durable protection against heat, abrasion and demanding operating conditions while giving the engine bay a distinctive performance look.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003ePerformance Without Electronic Interference\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eA \u003cstrong\u003estainless-steel spiral-wound inner core\u003c\/strong\u003e helps suppress EMI and RFI interference, helping protect the ECU, ignition controller and other electronic systems from unwanted electrical noise while maintaining Granatelli's 0-Ohm performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#111111; padding:18px 20px; margin:24px 0;\"\u003e\n\u003ch3 style=\"color:#ffffff; margin:0 0 12px 0;\"\u003eCompatible GM LS \u0026amp; LT Applications\u003c\/h3\u003e\n\n\u003cp style=\"color:#ffffff; line-height:1.65; margin:0 0 14px 0;\"\u003eDesigned for compatible GM coil-near-plug ignition applications using the correct \u003cstrong style=\"color:#ffffff;\"\u003e12-inch boot-end-to-boot-end wire configuration\u003c\/strong\u003e. Granatelli specifically identifies several popular LS-family engines for this wire set.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:8px;\"\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS1\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS2\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS3\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS6\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS7\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLS9\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLQ4\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLQ9\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 12px 0;\"\u003eCommon Engine Sizes\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background:#111111; color:#ffffff;\"\u003e\n\u003cth style=\"padding:11px; border:1px solid #cccccc; text-align:left;\"\u003eEngine Size\u003c\/th\u003e\n\u003cth style=\"padding:11px; border:1px solid #cccccc; text-align:left;\"\u003eCommon Applications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e4.8L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eCompatible LS-based applications using the correct 12\" wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e5.3L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eCompatible LS\/LT-based applications using the correct 12\" wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e5.7L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eLS1, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e6.0L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eLS2, LQ4, LQ9 and other compatible LS applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e6.2L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eCompatible LS\/LT applications using the correct 12\" wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003e\u003cstrong\u003e7.0L\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #dddddd;\"\u003eLS7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff8e6; border:1px solid #e3c66c; padding:16px 18px; margin-top:22px;\"\u003e\n\u003cp style=\"margin:0 0 10px 0; line-height:1.65;\"\u003e\u003cstrong\u003eImportant Fitment Notice:\u003c\/strong\u003e These wires measure \u003cstrong\u003e12 inches from boot end to boot end\u003c\/strong\u003e. Engine family or displacement alone does not guarantee physical fitment. Compare your existing wire length, ignition coil location, spark plug boot configuration and routing before ordering.\u003c\/p\u003e\n\n\u003cp style=\"margin:0; line-height:1.65;\"\u003e\u003cstrong\u003eHeat Notice:\u003c\/strong\u003e The high-temperature silicone construction provides increased heat protection, but proper clearance from headers and other extremely hot exhaust components is still recommended whenever possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46021516984380,"sku":"28-1629HTY","price":254.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/F198646463.jpg?v=1787024098","url":"https:\/\/rpm-racing.com\/products\/granatelli-gm-ls-lt-0-ohm-12-yellow-high-temp-spark-plug-wires-28-1629hty","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}