Spark Plug Wire Set 9070C Extreme 9000 Ceramic Boot for GM LS3/LS4/LS7/LT N0I8

Spark Plug Wire Set 9070C Extreme 9000 Ceramic Boot for GM

This 9070C Extreme 9000 spark plug wire set with ceramic boots delivers reliable ignition transfer for GM LS3, LS4, LS7, and LT engines.

Overview

The 9070C Extreme 9000 spark plug wire set is a direct-fit ignition upgrade for GM LS3, LS4, LS7, and LT engines. These wires carry high voltage from the coil to the spark plugs with low resistance for consistent combustion. Built with ceramic boots, this spark plug wire set suits engine builders, swap projects, and daily drivers running high heat conditions.

Built For Performance

• Ceramic boots resist extreme exhaust manifold and header temperatures
• Low-resistance conductors support strong spark energy transfer
• Extreme 9000 series construction for high-vibration engine bays
• Pre-terminated ends for straightforward plug-and-play installation
• Heat sleeves and boot material designed for sustained thermal cycling
• Fits GM LS3, LS4, LS7, and LT engine family ignition layouts

Fits These Machines

• for GM vehicles equipped with LS3 engines
• for GM vehicles equipped with LS4 engines
• for GM vehicles equipped with LS7 engines
• for GM vehicles equipped with LT engines

On-The-Job Use

• Engine swaps running LS3, LS4, LS7, or LT powerplants
• Header-equipped builds that expose plug boots to high heat
• Routine ignition tune-ups and wire replacement
• Track and street builds needing stable spark delivery

Specs At A Glance

Good To Know

Q: Do these wires fit stock LS3 and LT ignition coils? A: Yes, they are configured for the stock coil and spark plug locations on LS3, LS4, LS7, and LT engines. Confirm your engine code before ordering.

Q: Are the ceramic boots compatible with aftermarket headers? A: The ceramic boots are built to handle the higher temperatures long-tube headers create. Check clearance around tight header bends during installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.