Honda CT70 Z50 + 70cc Complete Piston, Cylinder and Head Top End Kit for 6V Models

A complete top-end upgrade kit designed for use with the OT 6-volt crankshaft. This set includes everything needed for a proper 70cc conversion while maintaining the correct fitment for classic Honda small-displacement engines.

Kit includes:

• Complete 70cc OT cylinder head (large-valve style, covers not included, no camshaft bolts included)
• 70cc steel cylinder stamped “49cc”
• Piston, piston rings, and wrist pin
• Complete gasket set

Fitment:

• Honda CT70 (K0 69-1981)
• Honda CT70H (HK0 1970 - HK1 1973)
• Honda SL70 
• Honda XL70
• Honda CL70
• Honda ATC70
• Honda TRX70
• Honda SS50, CD50, C50, C70 (original OT models)
  
• Also compatible with older Jincheng engines without electric starter