Katech LS & LT Extreme Heat Spark Plug Wires

Katech LS & LT Extreme Heat Spark Plug Wire Set

INTEGRATED FIRE SLEEVE PROTECTION · EXTREME HEAT RESISTANCE · HIGH-PERFORMANCE IGNITION RELIABILITY

The Katech LS & LT Extreme Heat Spark Plug Wire Set is engineered for high-performance GM LS and LT engines operating in extreme-heat environments. Each wire features integrated fire sleeve protection to help shield against extreme radiant and conductive heat encountered in demanding engine bay conditions.

Designed for demanding street, track, and competition applications, these spark plug wires help maintain consistent ignition performance under high load, elevated engine speeds, and extreme operating temperatures. The complete set includes eight spark plug wires.

Features & Benefits

• Designed for High-Performance GM LS and LT Engine Applications
• Integrated Fire Sleeve Protection
• Helps Protect Against Extreme Radiant and Conductive Heat
• High-Durability Construction for Demanding Street and Competition Applications
• Helps Maintain Consistent Spark Delivery Under High Load and High RPM Conditions
• Suitable for Naturally Aspirated, Turbocharged, Supercharged, and Nitrous-Assisted Applications
• Ideal for Applications with Close-Proximity Headers and High-Heat Exhaust Components
• Suitable for Road Racing, Drag Racing, and Endurance Racing Applications

Specifications

• Product Type: Spark Plug Wire Set
• Engine Compatibility: GM LS and LT Engines
• Thermal Protection: Integrated Fire Sleeve
• Wire Length: Single Length
• Quantity: Complete Set of Eight Spark Plug Wires

Vehicle & Engine Fitment

Vehicle Applications

Chevrolet

• 1997–2019 Chevrolet Corvette with Compatible LS or LT Spark Plug Wire Routing
• 1998–2002 Chevrolet Camaro with Compatible LS Spark Plug Wire Routing
• 2010–2024 Chevrolet Camaro with Compatible LS or LT Spark Plug Wire Routing
• Chevrolet Silverado, Tahoe, Suburban, and Avalanche Models with Compatible LS or LT Spark Plug Wire Routing

Cadillac

• 2004–2019 Cadillac CTS-V with Compatible LS or LT Spark Plug Wire Routing
• 2022+ Cadillac CT5-V Blackwing with Compatible LT Spark Plug Wire Routing
• Cadillac Escalade and Escalade ESV Models with Compatible LS or LT Spark Plug Wire Routing

GMC

• GMC Sierra Models with Compatible LS or LT Spark Plug Wire Routing
• GMC Yukon and Yukon XL Models with Compatible LS or LT Spark Plug Wire Routing

Pontiac

• 1998–2002 Pontiac Firebird with Compatible LS Spark Plug Wire Routing
• 2004–2006 Pontiac GTO with Compatible LS Spark Plug Wire Routing
• 2008–2009 Pontiac G8 with Compatible LS Spark Plug Wire Routing

Engine Applications

• GM Gen III LS Engines with Compatible Spark Plug Wire Routing
• GM Gen IV LS Engines with Compatible Spark Plug Wire Routing
• GM Gen V LT Engines with Compatible Spark Plug Wire Routing
• Custom Naturally Aspirated, Turbocharged, Supercharged, and Nitrous-Assisted LS and LT Engine Builds

Important Fitment Notes

• Designed for High-Performance GM LS and LT Engine Applications Requiring Increased Thermal Protection
• Fitment Is Determined by Spark Plug Wire Length, Boot Configuration, Routing, and Available Clearance
• Verify Spark Plug Wire Length, Boot Orientation, Routing, and Component Clearance Before Ordering
• Recommended for Applications with Close-Proximity Headers, Turbochargers, and Other High-Heat Exhaust Components
• Route Spark Plug Wires Away from Direct Contact with Exhaust Components, Moving Parts, and Sharp Edges
• Confirm Each Spark Plug Wire Is Fully Seated on Both the Ignition Coil and Spark Plug Before Operating the Engine
• Inspect Spark Plug Wire Routing and Condition During Routine Maintenance

Why Choose Katech?

Since 1977, Katech has engineered championship-winning engines and premium performance components for professional motorsports, OEM development programs, engine builders, and performance enthusiasts. Every Katech product reflects a commitment to durability, dependable performance, and demanding real-world validation.

The Katech LS & LT Extreme Heat Spark Plug Wire Set is engineered for applications where conventional spark plug wires may be exposed to excessive engine and exhaust heat. Integrated fire sleeve protection and high-durability construction help provide dependable ignition performance for demanding street, track, and competition LS and LT engine combinations.