Allstar Performance Tire Grinding Disc - 4" Diameter- 23 Grit - 5/8" Hole HSM61DE Simpson Racing has everything you

Simpson Racing has everything you need to compete safely on the race track

C2 is designed to withstand wide-ranging temperature changes

570'' exhaust valves these heads move massive amounts of air

The Zamp ZR-30 Racing Jacket delivers a high quality multi-layer suit at an affordable price

6 AN Male Passenger Side Outlet

Allstar Performance Tire Grinding Disc - 4" Diameter- 23 Grit - 5/8" Hole HSM61DE Simpson Racing has everything youGrind off the hardened outer skin on used dirt track tires and create round, aggressive sipes to increase traction. Use caution when handling and storing nail head disc, pins are needle sharp. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality,