{"product_id":"zreneyfex-spark-plug-wire-set-9-pack-10-5mm-for-sbc-bbc-hei-350-383-454-blue-90-straight-boots","title":"Zreneyfex Spark Plug Wire Set 9-Pack 10.5mm for SBC\/BBC HEI 350\/383\/454 — Blue, 90° \u0026 Straight Boots","description":"\u003cstrong\u003eZreneyfex 9-pack 10.5mm spark plug wire set provides high-temperature silicone ignition leads engineered for SBC and BBC Chevrolet HEI systems, with nine blue wires including 90° distributor and straight spark-plug boots.\u003c\/strong\u003e\n\n\u003cp\u003eThis replacement wire set from Zreneyfex is designed for classic small-block and big-block Chevy engines using HEI distributor systems. Built with a 10.5mm high-temperature pure silicone outer insulation and purpose-matched boot angles, the kit delivers consistent connectivity and easier routing under the hood. The blue color offers a clean, visible look while the set’s configuration accommodates coil-in-cap or conventional HEI layouts. Note: the package contains spark plug wires only and does not include a separate coil wire.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this wire set fit SBC and BBC Chevrolet engines?\u003c\/h3\u003e\n\u003cp\u003eThe set is tailored to common small-block (SBC) and big-block (BBC) Chevy firing orders and HEI distributor geometry. Zreneyfex matched the wire lengths and boot angles to simplify installation on 350, 383 and 454 platforms. Fitment is compatible with most factory-style spark plugs and HEI cap arrangements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e9-piece kit: covers all plug positions with correct lengths\u003c\/li\u003e\n  \u003cli\u003e90° distributor boot for HEI distributor connections\u003c\/li\u003e\n  \u003cli\u003eStraight spark-plug and coil-in-cap boots for tight spark plug wells\u003c\/li\u003e\n  \u003cli\u003eWorks with Chevy 350, 383, 454 engine families\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction improve durability and performance?\u003c\/h3\u003e\n\u003cp\u003eEach wire uses a pure silicone outer insulator that resists high heat and oil exposure common in engine bays. Inside, conductive cores and shielding provide stable signal transfer and EMI suppression suitable for electronic ignition systems. The robust boots reduce chances of arcing and provide firm mating to distributor, coil or plug terminals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10.5mm diameter for heat and voltage control\u003c\/li\u003e\n  \u003cli\u003ePure silicone outer layer for temperature and chemical resistance\u003c\/li\u003e\n  \u003cli\u003ePrecision-molded 90° and straight boots for secure connections\u003c\/li\u003e\n  \u003cli\u003eBlue jacket for visual inspection and tidy engine bay appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with spark plug wire routing: remove old wires one at a time and replace with corresponding new lengths to preserve firing order. Use dielectric grease on boot interiors if desired, and route wires away from exhaust headers and moving parts. Confirm distributor cap position and coil type before finalizing connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace wires one at a time to keep correct firing order\u003c\/li\u003e\n  \u003cli\u003eUse boot-specific orientation: 90° for distributor, straight for plugs\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with hot headers and sharp edges during routing\u003c\/li\u003e\n  \u003cli\u003ePackage contains nine blue wires; coil wire not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Enthusiasts restoring or maintaining classic Chevrolet V8s who want an affordable, visually crisp ignition wire upgrade compatible with HEI distributors. It’s suited for hobby mechanics, restorers, and anyone replacing deteriorated OEM wires on 350\/383\/454 platforms who needs durable silicone insulation and pre‑configured boot styles for easy fitment.\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: Does this set include the coil wire?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the Zreneyfex 9-pack contains only spark plug wires; the coil wire is not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these wires compatible with HEI distributors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the set includes a 90° boot for HEI distributor connections and straight boots for plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Zreneyfex","offers":[{"title":"Default Title","offer_id":48086555164830,"sku":"B08FDK8D3J","price":49.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/zreneyfex-front-packaging-blue-set.jpg?v=1785900683","url":"https:\/\/northtrailauto.ca\/products\/zreneyfex-spark-plug-wire-set-9-pack-10-5mm-for-sbc-bbc-hei-350-383-454-blue-90-straight-boots","provider":"North Trail Auto","version":"1.0","type":"link"}