Pit Bike Top End Rebuild Kits
Top end piston kits & cylinder kits for KTM 50 SX, Honda CT70, Yamaha PW50 & more
Stock bore replacement and performance upgrade options for 50cc & small bore pit bikes
Pit Bike Top End Rebuild Kits
Piston kits, cylinder kits, and top end components for popular pit bike and mini bike platforms. We stock a focused selection covering the most common small bore engines.
What We Carry
KTM 50 SX Piston Kit — Standard bore replacement piston kit for the KTM 50 SX.
Honda CT70 / ATC70 / SL70 Piston Kit — 47mm piston kit for Honda 70cc platforms.
Yamaha PW50 Big Bore Kit 60cc — Bump your PW50 to 60cc with a complete cylinder and head kit.
Honda XR400 / TRX400 Top End Cylinder Kit — Stock bore cylinder kit for Honda XR400 and TRX400.
