Velocity Carb Spacer 4150 1" Bolt On Horsepower Square Bore

's high velocity spacers increase the velocity of the fuel/air charge. This assists in enhancing fuel atomisation, increases throttle response, boosts your high rpm power and insulates the carburettor from the manifold. They are available in raw finish or black anodized and are made from 6061-t6 billet aluminium.