Phathead Racing heads.
Benefits include: Choice of domes to adjust compression
Increased heat transfer of the billet aluminum for better performance and engine life
Increased cooling capacity of the larger two part design for better performance and engine life
Lower cost of replacement in case of failure, just swap out the dome
O-ring design to eliminate the need for gasket(except on some big bore models)
We think they look pretty cool too

All Phathead sets include a Phathead body, two domes (combustion chambers) o-rings, coolant hose fittings, head nuts, copper washers, all necessary hardware and installation instructions. The Phathead sets include your choice of two domes and all necessary hardware for installation.




Phathead Racing Heads

Phatheads replacement o-ring set - select your model Code: PHoringkit Price: $10.00 Quantity in Basket: none

Honda Bike		Kawasaki Bike		KTM Bike		Suzukii Bike		Yamaha Bike

Honda Dirt bike

Kawasaki Dirt bike

Suzuki Dirt bike

Yamaha Dirt bike . . . . Yamaha ATV

KTM Dirt bike