51MM Stroker Crank Honda 3 Speeds - 69-79 CT70 & 68-81 Z50 TBW0622 engine Header Const: Stainless Steel

Header Const: Stainless Steel

Gasket Kit - TBW0893

if need be

Also fits china motors with round screw in tappet covers

51MM Stroker Crank Honda 3 Speeds - 69-79 CT70 & 68-81 Z50 TBW0622 engine Header Const: Stainless SteelFITS 69 79 HONDA 3 SPEED CT70's & 68 81 3 SPEED Z50's 51mm Crankshaft with NTN bearings ***MUST RUN TBW0225 OIL PUMP WITH THIS CRANK**** Stock oil pump shaft is to large in diameter. TBW0225 oil pump drive shaft is a smaller diameter than stock and therefore, the stroker crank clears it. 6v Motors Turns 88cc into 108cc Must also use modern 12v type piston with this crank for proper clearance Measures 57mm from gear to the end of the crank. NOTES: We