Kooks Headers KSH750204 11mm Spark Plug Wires, Gray with Black Boots, 8-Piece Set

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" 11mm Spark Plug Wires (8 pc. Set). Grey with Black Boots. 1999-2023 GEN III/IV/V LS/LT Based 4.8L/5.3L/6.0L/6.2L Truck/SUV/Van Engines with Coil Packs in OEM location. 11mm Spark Plug Wires (8 pc. Set). Grey with Black Boots. 1999-2023 GEN III/IV/V LS/LT Based 4.8L/5.3L/6.0L/6.2L Truck/SUV/Van Engines with Coil Packs in OEM location. 11mm High temp Silicone insulation helps these wires withstand the extra heat of High-Performance builds. Featuring a Spiral Copper Core that is resistance rated at 30ohm/ft. High Temp Sure Grip Silicone boots are angled 45 degrees at both ends to maximize clearance to headers. 11mm Spark Plug Wires (8 pc. Set). Grey with Black Boots. 1999-2023 GEN III/IV/V LS/LT Based Truck/SUV/Van Engines with Coil Packs in OEM location. 11mm High temp Silicone insulation helps these wires withstand the extra heat of High-Performance builds Spiral Wound Copper Core 30ohm/ft Resistance RatingHigh Temp Sure Grip Silicone boots are angled 45 degrees at both ends to maximize clearance to headers

• Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
• Spark Plug Wires

Upgrade ignition performance on compatible GM LS and LT applications with Kooks Headers part number KSH750204 11mm Spark Plug Wires. This eight-piece set features gray high-temperature silicone insulation and black Sure Grip silicone boots designed for 1999–2023 Gen III, Gen IV, and Gen V LS/LT-based 4.8L, 5.3L, 6.0L, and 6.2L truck, SUV, and van engines using coil packs in the original equipment location.

Each Kooks Headers spark plug wire uses a spiral-wound copper core with a resistance rating of 30 ohms per foot to support reliable ignition performance. The high-temperature silicone insulation helps protect the wires in demanding high-performance engine compartments, while the 45-degree boots at both ends help maximize clearance around headers and other nearby components. This design is well suited for street, race, and off-road applications where heat management and dependable spark delivery are important.

Kooks Headers manufactures its performance products in the USA and backs them with a limited lifetime warranty to the original purchaser. The company has more than 50 years of experience developing headers and exhaust components, with products that are dyno tested and race tested for performance-focused applications. The KSH750204 set is intended as a direct-fit ignition wire solution for engines retaining the coil packs in their OEM locations.

What's Included

• Eight Kooks Headers 11mm spark plug wires
• Gray high-temperature silicone insulation
• Black 45-degree Sure Grip silicone boots

Fitment

Designed for 1999–2023 Gen III, Gen IV, and Gen V LS/LT-based 4.8L, 5.3L, 6.0L, and 6.2L truck, SUV, and van engines with coil packs in the OEM location. Verify engine configuration and ignition layout before ordering.

Features:

• High-Temperature Insulation: 11mm silicone insulation helps the wires withstand elevated temperatures in high-performance engine compartments.
• Spiral-Wound Copper Core: Provides a 30 ohms-per-foot resistance rating for consistent ignition performance.
• Header Clearance Boots: 45-degree Sure Grip silicone boots at both ends help improve clearance around headers.
• USA-Made Construction: Manufactured in the USA and backed by a limited lifetime warranty to the original purchaser.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1