Product details:

FST Carburetors 42750XB-1: Carburetor, RT-X, 750 cfm, Without Choke, Vacuum Secondaries, Black Electroplated, Down-Leg, 2-Circuit Metering Block, 4-Corner Idle, Each - FST Performance RT-X Series carburetors combine the durability of a cast carburetor with the performance of pressure forged metering blocks and bases, along with 4-corner idling. They are ideal for the road and track vehicle wanting the best performance, and needing an affordable cost. FST RT-X Series carburetors also provide an aggressive appearance with red anodized metering blocks and black bases. They also include the FST High Performance kit and boast the latest technology in air and fuel calibrations, as well as all the performance tune-ability for your track day needs, and the reliability for everyday street performance.FST RT-X Series options:. Available in 600 to 750 cfm ranges. Cast aluminum main body . Vibratory polish or black electroplate. Vacuum or mechanical secondaries. Center hung floats. Electric, manual, or no choke. 4-corner idle. 2-circuit red anodized billet aluminum metering block. Black anodized billet aluminum base plate. Cast aluminum dual port fuel bowls