All Balls Swing Arm Bearing and Seal Kit - Gas Gas EC125-300 99-13 EC250F-450F 10-13 Z-Frame Advances Fuel InjectionTiming for improved

Advances Fuel InjectionTiming for improved atomization and response

Every Twinwall comes with a Renthal injection molded foam bar pad

KX 450XC/X 21-23

250 EXC 00-18

All Balls Swing Arm Bearing and Seal Kit - Gas Gas EC125-300 99-13 EC250F-450F 10-13 Z-Frame Advances Fuel InjectionTiming for improvedAll Balls Swing Arm Bearing and Seal Kit Gas Gas EC125 300 99 13 EC250F 450F 10 13 All Balls Racing Swing Arm Bearing & Linkage Kits encompass all the components necessary for a thorough reconstruction of the swing arm and linkage on your dirt bike, motorcycle, or ATV. The kits are available either for the swing arm or the linkage, with the linkage kits including the lower shock bearing. Needle bearing shafts are constructed from 52100 hardened and