Thumper Racing, the experts at Powersports Big Bore Kits. Stocking dealers of our 490 & 520 Wingman Kits. Check out team Snowbike World and Brock Buttars Instagram for some footage of the Wingman Thumper Racing Big Bores in action. We also have Ninja Backup and King Kong Kits available as well for the guys that want their bikes in Kill Mode at all times.
1292 Industrial Court Unit A
Garderville, NV 89410United States