TB Shift Shaft – Honda 50cc and 70cc 68-87 FM Hardparts Replacement Ring Set for the

Replacement Ring Set for the 60mm piston in the 143cc Big Bore

Weighs only 150 grams as compared to the OEM Honda spinner which weighs 1040 grams

275″ intake valve lift and 230 degrees of duration @

Viscosity-stable formula and high-temperature additives provide protection in extreme conditions

This will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines

TB Shift Shaft – Honda 50cc and 70cc 68-87 FM Hardparts Replacement Ring Set for theTB Shift Shaft Honda 50cc and 70cc 68 87 TB reproduction shift shaft for semi auto 68 87 Z50, CT70, ATC70 & TRX70. A bent shift shaft is not uncommon and TBparts replacement is a great value!