(A36-66/69cc) GT5A/GT5B 66cc/69cc Cylinder Rebuild Kit (Contains A2, A3, A4, A5, A6, A8, A9, B22, B23, B25) (High Hole Piston)

Compatible with GT5A (66cc), GT5B(69cc)

Please select the correct engine type in the drop-down

*You cannot install a GT5B rebuild in a GT5A 66cc engine).*

*You cannot install a GT5A rebuild in a GT5B 69cc engine).*

Engine Prior to 2020 would be GT5A (66cc)

Engines Made in 2020 and after would be GT5B (69cc)

(High Hole Piston)

Complete 66cc/69cc Cylinder Rebuild kit (Including Piston and piston rings. Note piston retaining clips are NOT included) for your 66cc (GT5A) or your 69cc (GT5B) motorized bicycle engine kit. This is a direct OEM replacement and is guaranteed to last. Engine Cylinder Kits: Includes, Head / Piston / Pin / Rings / Head Gaskets and 4 Head bolts