Pit Stop USA is The Online High Performance Superstore! The Speed Demon series is the most formidable performance street carburetor available today. It features the most advanced design manufacturing processes that provides street enthusiasts with racing carburetor technology in a very driveable package. The Speed Demon line offers a wide range of sizes and in VEseries (vacuum secondaries, electric choke) or twinsquirter (mechanical secondaries) designs. Across the range of sizes, from 575 cfm to 850 cfm, the Speed Demons deliver balanced, highvelocity airflow and exceptional fuel metering capacity to match the fuel requirements most street engines. Each Speed Demon model will be available with Ford kickdown linkage. A Speed Demon carburetor is ideal for muscle cars, stock rebuilds, tow trucks, mild performance applications and crate motors. They are designed for engines with cam profiles between 220 and 240 degrees duration at 0.050". These carburetors provide racetuning in the industry's most advanced choke hornequipped carburetor. Competition Speed Demons include adjustable air bleeds, thinline throttle shafts with low drag stainless steel buttonstyle butterfly fasteners and Race Demon 5emulsion hole billet metering blocks for optimum tuning capabilities. We feature Demon Speed Demon Carburetors and more at low everyday prices.