MOTOKU 8mm Spark Plug Wire Harness Set 9070C — Ceramic 45° Boots, Direct-Fit for Chevy/GMC V8

The MOTOKU 8mm Ceramic Boot Spark Plug Wire Harness Set 9070C is a direct-fit ignition wire kit designed to replace worn leads on compatible Chevrolet and GMC V8 engines while providing 45° ceramic boots to prevent header interference.

This MOTOKU harness set is built for drivers and mechanics who need a reliable, OEM-style replacement for factory spark plug wires on a range of Chevy and GMC models. It fits late-model small-block engines and classic performance cars that require durable insulation, clean routing around exhaust components, and compatibility with several original part numbers. The wiring uses an 8mm conductor with ceramic-angled boots where needed to keep the wires clear of headers and hot surfaces.

Which vehicles will this MOTOKU 9070C harness fit?

This kit is specified for a number of Chevrolet and GMC models spanning modern trucks and classic performance cars. Check the model years and engine layout against your vehicle to confirm fitment.

• Chevrolet Silverado 1500 LTD — 2022
• Chevrolet Silverado 1500 — 2015–2022
• Chevrolet Corvette — 1997–2020
• Chevrolet Camaro — 1997–2021
• GMC Sierra 1500 Limited — 2022
• GMC Sierra 1500 — 2015–2022

How do the 45° ceramic boots help during installation?

The angled ceramic boots keep wire ends away from exhaust headers and other hot or obstructing components, simplifying routing and reducing the risk of heat-related damage. The ceramic material resists high temperatures and holds its shape under tight clearances.

• 45° ends minimize contact with headers and tight bends
• Ceramic boots provide thermal resistance near hot exhaust areas
• Pre-formed angles make routing quicker and neater

Which factory part numbers does this MOTOKU set replace?

This harness is compatible with several OE and aftermarket reference numbers, so you can match it to previous replacements or dealer parts lists. Using the listed part numbers helps confirm you’re ordering the correct set for your engine and year.

• Replaces: 9070C, 9070CK, 9004C
• Also matches: 561-100, 561-101, 561-102, 561-103
• Cross-references: 32819 for compatibility checks

What should I expect in terms of durability and performance?

The 8mm conductor and ceramic boots are intended to deliver consistent spark delivery while resisting heat and abrasion in the engine bay. This set is engineered to restore ignition reliability on vehicles with worn or aged plug wires.

• 8mm wire thickness for reliable spark conduction
• Ceramic terminals resist cracking and heat exposure
• Designed for straightforward direct-fit replacement

Who is this for: This MOTOKU 9070C harness set is for DIY mechanics, restoration enthusiasts, and professional technicians replacing old, brittle, or damaged spark plug wires on compatible Chevrolet and GMC V8 applications. It suits owners who need angled ceramic boots to avoid header contact and those who want a replacement that corresponds to common OEM part numbers. Before ordering, verify vehicle year and engine layout against the compatibility list to ensure a correct fit.