Granatelli Motor Sports Performance Spark Plug Wire Set - GM LT1/LT4 6.2L

Granatelli Motor Sports Performance Spark Plug Wire Set - GM LT1/LT4 6.2LCore Benefits: Zero Ohm Technology for Pure Spark Transfer Delivers unfiltered voltage from coil to plug with no resistanceresulting in a more powerful spark, better throttle response, improved combustion, and reduced misfire risk. Built for racing, tuned street cars, and demanding engine configurations. Heat Resistant 8mm Silicone Jacket (Rated 500F+) Constructed with black high temp silicone insulation that withstands over 500F without performance

Core Benefits:

Zero Ohm Technology for Pure Spark Transfer

Delivers unfiltered voltage from coil to plug with no resistance—resulting in a more powerful spark, better throttle response, improved combustion, and reduced misfire risk. Built for racing, tuned street cars, and demanding engine configurations.

Heat-Resistant 8mm Silicone Jacket (Rated 500°F+)

Constructed with black high-temp silicone insulation that withstands over 500°F without performance drop—ideal for high-heat conditions and performance applications.

EMI/RFI Suppressing Spiral-Wound Stainless Core

Effectively blocks unwanted electromagnetic and radio interference, preserving consistent signal flow to support today’s advanced ECUs and aftermarket ignition control systems.

American-Made Quality You Can Rely On

Granatelli spark plug wires are designed, tested, and built in the USA—trusted by pro tuners, track teams, and serious enthusiasts around the world.