53 Tooth Sprocket for 520 ChainHyper Racing # 081 053 Our tough 7075 aluminum one piece sprockets have a 6 bolt pattern, a 5 1 4" bolt circle diameter and fit 520 chain. Made in the USA.

Hyper Racing # 02-140B

Hyper Racing # 05-132

Brake fade happens when the brake fluid gets so hot it boils and creates air in the brake lines

This wider front axle improves entry on a wingless car

Hyper Racing # 03-020-1

Hyper Racing # 051-042Ti

The ultimate dirt track sprocket for your 600/270 Micro/Mini Sprint is here

Bolts sprocket to 5/16" sprocket carrier when using chain guide assembly

Measurements:

Hyper Racing # 03-220B

Junior Sprint

Junior Sprints