Open Class

Our Open Engine 4 Barrel Carburetors are custom built for engine size and rpm range with varying parts options. The current standard Larry’s open 4 barrel consists of a Braswell 4760 main body, Braswell throttle body with Stage II shafts, BLP metering blocks and Braswell Fuel Chute Lite bowls (Holley fittings). All remaining parts of highest quality from either Braswell or BLP.

Venturi sizes available Braswell 4760
1.38, 1.41, 1.44, 1.46, 1.48 and 1.50

Venturi sizes available BLP BX4 Billet Body
1.375, 1.405, 1.420, 1.450


We have Crate Carburetors that are different than most. Whether you are struggling with a poor performing 602 in the low rpm range or a 604 with horrible restarts and getting left behind coming off the corner, we have the answer to your problems. Our Crate Carbs, gas and alcohol, offer a smooth idle, snappy restarts and quick clean corner exits that gives you a competitive advantage.