Katech LS & LT Premium Spark Plug Wire Set

Katech LS & LT Premium Spark Plug Wire Set

Professional-Grade Racing Wires for Compatible LS and LT Engines with Factory Coil Locations.

The Katech LS & LT Premium Spark Plug Wire Set provides the same professional-grade wire type used by Katech's racing teams. Designed for compatible LS and LT engines, this set is intended for installations that retain the OEM ignition coil mounting locations.

This wire type is also used in NASCAR, USCAR, and the 24 Hours of Le Mans, bringing professional motorsports applications to compatible street and racing engine builds.

Recommended: Katech Spark Plug Wire Insulators provide additional heat protection for compatible boots and wires and are sold separately.

Features & Benefits

• Professional-Grade Racing Spark Plug Wires
• Same Wire Type Used by Katech's Racing Teams
• Wire Type Used in NASCAR, USCAR, and the 24 Hours of Le Mans
• Designed for Compatible LS and LT Engine Applications
• Intended for OEM Ignition Coil Mounting Locations
• Suitable for Compatible Street and Racing Installations
• Katech Spark Plug Wire Insulators Recommended and Sold Separately

Technical Specifications

• Product Type: Spark Plug Wire Set
• Engine Applications: Compatible GM LS and LT Engines
• Coil Configuration: OEM Mounting Locations
• Wire Grade: Professional Racing
• Recommended Heat Protection: Katech Spark Plug Wire Insulators; Sold Separately

What's Included

• One Katech LS & LT Premium Spark Plug Wire Set

Spark plug boot insulators are not included.

Engine & Installation Fitment

• Compatible GM LS Engines with OEM Ignition Coil Mounting Locations
• Compatible GM LT Engines with OEM Ignition Coil Mounting Locations

Verify wire length, terminal compatibility, spark plug boot clearance, and routing for your specific engine combination. Fitment depends on the complete installation rather than engine family alone.

For relocated ignition coils, select a wire set designed for the specific coil relocation arrangement.

Recommended Supporting Accessory

Katech Spark Plug Wire Insulators are recommended for additional protection where spark plug boots and wires are exposed to nearby exhaust heat. They are available separately as individual insulators or as the Katech Spark Plug Wire Insulator Set of 8.

Use heat protection sleeves together with proper wire routing and clearance from hot components.

Important Installation Notes

• Verify Compatibility with the Existing Ignition Coils and Spark Plugs
• Install Each Wire in the Correct Cylinder Location
• Confirm That Both Ends Are Fully Seated
• Route Wires Away from Exhaust Components, Sharp Edges, and Moving Parts
• Avoid Stretching Wires or Placing Strain on the Terminals
• Use Suitable Wire Supports to Maintain Routing and Clearance
• Inspect Wires and Boots Periodically for Heat Damage or Abrasion

Why Choose Katech

The Katech LS & LT Premium Spark Plug Wire Set offers professional-grade wires used in Katech racing applications, configured for compatible engines with factory coil locations. Proper wire selection, secure connections, and protection from exhaust heat are important parts of a dependable ignition installation.

For wire set selection and installation questions, contact .