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.
