Katech Extreme Heat Spark Plug Wires - LS & LT Engines

NEW Katech Extreme Heat Spark Plug wires.

Key Features

Integrated Fire Sleeve Protection: Built-in thermal barrier shields the wire from extreme exhaust and engine bay temperatures.

High-Durability Construction: Designed to withstand long-term abuse in race and high-boost applications.

Maximum Heat Resistance: Ideal for turbo, supercharged, or track-oriented engines where standard wires fail.

Consistent Spark Delivery: Ensures stable ignition performance under heavy load, high RPM, and elevated temps.

Katech Quality: Engineered and tested by one of the most trusted names in high-performance GM platforms.

Perfect For

High-boost turbo & supercharged builds

Road racing, drag racing, and endurance applications

LT/LS engines with close-proximity headers or extreme radiant heat

Anyone wanting the toughest, most heat-resistant wires on the market

Sold as a complete set of (8) spark plug wires