TB V2 108cc Stroker Big Bore kit – Honda 50cc & 70cc Various Models Exhaust We've been durability testing these

We've been durability testing these cams since the early spring

V1 for use with OEM cylinder head OR V2 for use with custom ported cylinder head

The included dual layer pod filter fits directly to the carburetor

easy to tune

TB V2 108cc Stroker Big Bore kit – Honda 50cc & 70cc Various Models Exhaust We've been durability testing theseTB V2 108cc Stroker Big Bore kit Honda 50cc & 70cc Various Models TBparts 108cc Race Head V2 Kit , 52mm Bore Kit, Mikuni VM26 Carb Kit, & Stroker Crank. Converts the following stock models to 108cc: 1982 1987 Z50, 1981 1985 ATC70, 1980 1981 CT70, and all 4 speed CT70H, SL70, and XL70. Want to bolt on the most power you can to your Vintage Honda 50 70?! Start with the V2 cylinder heads larger stainless steel (21 4N) valves, better porting, roller cam,