Yamaha 50 High Compression Billet Head Kit

TSR Yamaha 50 Billet Engine Head Kit best bolt on mod you can do or your outboard  

Our billet head kit has increase cooling volume and improved heat dissipation, with the squish clearance being tighter than stock and designed to be more detonation resistant with overall improved power through the whole rev range with multiple dome sizes to choose from to suit both pump and race gas applications 

This is a direct bolt on kit with no other mods required. (Jetting may be required depending on your application) 

DOME SIZES -  From the drop down menu please select the dome size specific to your application required. (we recommend 28cc for most recreational use)