{"product_id":"cable-master-performance-hei-spark-plug-wires-for-chevy-gmc-sbc-305-350-blue-9-piece-kit-rfi-suppression","title":"Cable Master Performance HEI Spark Plug Wires for Chevy GMC SBC 305\/350 Blue — 9-Piece Kit, RFI Suppression","description":"\u003cstrong\u003eCable Master Performance HEI spark plug wires are a direct-fit 8-wire set plus 1 coil lead designed for selected 1987–1996 Chevy, GMC and related 5.0L\/5.7L SBC V8 engines, finished in blue and built for reliable spark delivery.\u003c\/strong\u003e\n\n\u003cp\u003eThis blue 9-piece wire kit from Cable Master replaces worn or aged ignition wiring on compatible small-block Chevy applications that use an external HEI-style coil and distributor. The set is engineered with layered insulation, a spiral-wound nickel conductor and an aramid tensile core to control resistance, resist environmental stress, and suppress radio-frequency interference while maintaining strong ignition performance. Confirm year, engine code and distributor style before ordering to ensure exact fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will these spark plug wires fit?\u003c\/h3\u003e\n\u003cp\u003eThese wires cover a wide selection of Chevrolet, GMC and AM General chassis built between 1987 and 1996 equipped with 5.0L (305) VIN H and 5.7L (350) VIN K small-block V8 engines using a remote-coil HEI-style distributor. They include many truck, SUV and van models, but not every variant—verify the exact vehicle specs before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSelected Chevy\/GMC models: Blazer, Jimmy, Yukon, Suburban, C\/K\/R\/V-Series pickups\u003c\/li\u003e\n  \u003cli\u003eVans and chassis: G-Series vans, P-Series chassis, W4500 Tiltmaster\u003c\/li\u003e\n  \u003cli\u003eEngine compatibility: SBC 305, 350 and custom 383 (ensure matching terminals\/lengths for 383)\u003c\/li\u003e\n  \u003cli\u003eCheck: engine VIN code, distributor type, and number of plugs and coil lead\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these wires constructed and what performance features do they provide?\u003c\/h3\u003e\n\u003cp\u003eThe Cable Master kit uses a multi-layer design to balance conductivity, durability and interference suppression. An aramid core provides tensile strength, while spiral-wound nickel conductor and silicone insulation layers provide consistent spark transfer and resistance to heat, oil and vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAramid tensile core for durability and flex resistance\u003c\/li\u003e\n  \u003cli\u003eSpiral-wound nickel conductor for stable spark and low resistance\u003c\/li\u003e\n  \u003cli\u003eInner and outer silicone layers plus fiberglass reinforcement for heat and abrasion protection\u003c\/li\u003e\n  \u003cli\u003eRFI suppression to reduce ignition noise affecting radios and electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what support is included?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships as a complete 9-piece set with terminals and boots pre-installed for easier installation. Cable Master includes references to common part numbers for cross-checking and backs the set with a 3-year free replacement policy for quality-related issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 8 blue spark plug wires and 1 blue ignition coil wire\u003c\/li\u003e\n  \u003cli\u003ePre-fitted terminals and protective silicone boots\u003c\/li\u003e\n  \u003cli\u003eReference numbers included for cross-compatibility checks\u003c\/li\u003e\n  \u003cli\u003eCable Master 3-Year Free Replacement for qualifying defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Cable Master Performance HEI wire set is intended for DIY mechanics, restoration shops and truck or SUV owners replacing old, cracked or high-resistance ignition wires on compatible 1987–1996 SBC 305\/350 vehicles or builders assembling a custom SBC 383 who will verify terminal types and lengths. If you need improved durability, clear routing and a factory-style HEI coil lead in a vivid blue finish, this kit offers an accessible, direct-fit option—but always confirm exact year, engine code and distributor configuration before ordering.\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: Will this kit work on a 1990 Chevy 350 with HEI distributor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—if your 1990 Chevy has the 5.7L (350) VIN K SBC with a remote-coil HEI-style distributor, this 8-wire plus coil lead kit is a direct-fit. Verify engine VIN and distributor style first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are terminals and boots pre-installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The set ships with pre-fitted terminals and protective silicone boots for easier, cleaner installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cable Master","offers":[{"title":"Default Title","offer_id":55167317901655,"sku":"B0FGNLQWB4","price":40.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/cable-master-front-packaging-blue-wires.jpg?v=1790382993","url":"https:\/\/britishgarage.co.uk\/products\/cable-master-performance-hei-spark-plug-wires-for-chevy-gmc-sbc-305-350-blue-9-piece-kit-rfi-suppression","provider":"British Garage","version":"1.0","type":"link"}