COMBUSTION CHAMBER DOME

INTERCHANGABLE CYLINDER HEAD DOME INSERT THESE ARE VERY EASY TO SWAP OUT AND FEEL THE POWER THIS DOME WILL GIVE YOU MORE LOW END TORQUE AND MORE USUABLE HORSEPOWER THESE ARE THE SAME 185PSI...

HIGH COMPRESSION DOMES

INTERCHANGABLE CYLINDER HEAD 2.5 DOME INSERT THESE ARE VERY EASY TO SWAP OUT AND FEEL THE POWER COMPRESSION IS INCREASED AND AT LEAST A MIX OF RACE GAS OR AN OCTANE BOOSTER IS REQUIRED  THIS DOME CAN...