About Grudge Motorsports
Grudge Motorsports have the best tires for your vehicle, whether you want performance radial tires that provide maximum traction on unprepared streets, drag racing tires that dominate the strip, or off-road tires that can handle any terrain. The stages of their GMR Trackhawk Staged Camshaft Kits range from street performance to grudge racing, track, and professional street performance. Whether you have a Hellcat fueled Jeep Trackhawk with stock dislodging 6. 2 liter VVT-style Gen 3 IHI 2. 4 Supercharged Hemi motor or a fabricated Gen 3 426 stroker motor with a 3. 8 race ported Whipple, Grudge Motorsports have the right cam and valvetrain pack to assist you with making the most power from your mix.