{"product_id":"rlp-spark-plug-wire-set-for-gm-ls3-ls4-ls7-extreme-9000-ceramic-boots-8-0mm-silicone","title":"RLP Spark Plug Wire Set for GM LS3\/LS4\/LS7 — Extreme 9000 Ceramic Boots, 8.0mm Silicone","description":"\u003cp\u003e\u003cstrong\u003eRLP's Extreme 9000 spark plug wire set (Accel 9070C compatible) is a high-temperature, low-resistance ignition wire kit built to deliver reliable spark delivery for GM Gen IV LS3\/LS4\/LS7 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you own a GM vehicle with a Gen IV LS engine and need a durable replacement wiring option, this RLP kit offers ceramic spark plug boots, ferro-spiral low-resistance cores, and stainless-steel plug terminals engineered for high-heat compartments and strong RFI\/EMI suppression. It’s a direct-fit replacement for Accel part 9070C and covers many Cadillac, Chevy, and GMC models from the mid-2000s.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this wire set handle extreme engine heat?\u003c\/h3\u003e\n\u003cp\u003eThe RLP Extreme 9000 wires use ceramic spark plug boots that tolerate very high temperatures where silicone alone would fail. Combined with double-layer 8.0mm silicone jackets and stainless-steel terminals, the assembly resists heat and abrasion to extend service life in harsh under-hood environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCeramic boots rated to 2,000°F at the tip for thermal protection\u003c\/li\u003e\n  \u003cli\u003e8.0mm double silicone construction rated to 600°F overall\u003c\/li\u003e\n  \u003cli\u003eStainless-steel spark plug terminals for corrosion and heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these wires improve ignition performance or reduce interference?\u003c\/h3\u003e\n\u003cp\u003eThese wires prioritize consistent spark delivery and RFI\/EMI suppression instead of promising horsepower gains. The ferro-spiral core has low resistance (about 500 ohms per foot), which helps maintain strong spark energy while minimizing radio-frequency noise that can affect electronics and sensors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-resistance ferro-spiral core (≈500 Ω\/ft) for reliable spark energy\u003c\/li\u003e\n  \u003cli\u003eDesigned to reduce electromagnetic interference with modern vehicle electronics\u003c\/li\u003e\n  \u003cli\u003eStainless terminals maintain conductivity over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engines are compatible with this set?\u003c\/h3\u003e\n\u003cp\u003eThis kit is made as a direct-fit replacement for GM Gen IV V8 engines (LS3\/LS4\/LS7 family) and references Accel part 9070C. It fits many model years of Cadillac, Chevy and GMC vehicles from roughly 2005–2008 when ordered in the correct cylinder-count and routing configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits LS3, LS4, and LS7 Gen IV GM V8 engines\u003c\/li\u003e\n  \u003cli\u003eCommon fits: Corvette, Silverado, Tahoe, Suburban, Escalade, Avalanche, Impala, Sierra, Yukon, Envoy, Express, SSR\u003c\/li\u003e\n  \u003cli\u003eReplace Accel 9070C with this RLP compatible kit for direct installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and troubleshooting support come with the wires?\u003c\/h3\u003e\n\u003cp\u003eRLP backs this spark plug wire set with a 12-month warranty to cover manufacturing defects or premature failure. If you see misfires, hard starts, rough idle, hesitation or poor fuel economy after installation, the warranty and troubleshooting guidance can help determine whether wires are the root cause.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12-month warranty for replacement or refund\u003c\/li\u003e\n  \u003cli\u003eContact RLP support for diagnostic guidance or warranty claims\u003c\/li\u003e\n  \u003cli\u003eRecommended when symptoms include misfires or electrical interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you maintain or restore mid-2000s GM vehicles equipped with Gen IV LS engines and need a rugged, heat-resistant replacement for worn or damaged ignition wires, the RLP Extreme 9000 (Accel 9070C compatible) kit is built for that purpose. It’s aimed at mechanics, DIY enthusiasts, and performance-minded owners who want a direct-fit, durable wire set with strong RFI\/EMI suppression, ceramic boot protection for extreme heat locations, and the reassurance of a one-year warranty.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these wires a direct replacement for Accel 9070C?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The RLP Extreme 9000 set is made as a compatible direct-fit replacement for Accel 9070C for GM Gen IV LS engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty covers this spark plug wire set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: RLP provides a 12-month warranty covering manufacturing defects, with free replacement or refund options.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RLP","offers":[{"title":"Default Title","offer_id":48083027886238,"sku":"B0BDLH6VG2","price":58.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/rlp-extreme-9000-front-packaging.jpg?v=1785823041","url":"https:\/\/northtrailauto.ca\/products\/rlp-spark-plug-wire-set-for-gm-ls3-ls4-ls7-extreme-9000-ceramic-boots-8-0mm-silicone","provider":"North Trail Auto","version":"1.0","type":"link"}