Buzz 50cc SMC Quadzilla 50 Kids Quad - BIG BORE KIT

Barrel, head and Piston - Big Bore Kit for Buzz 50cc Quad

Bore Size 47mm to get a 70cc Engine

Carburettor may need rejet to get the best from Kit. And frame my need mod.

PLEASE NOTE: Increased Performance can put additional strain on aged components.

** This cannot be used in a 50cc racing class! **