ATM's XRC Series E85 race carburetors will fulfill the needs of most racers with advanced fuel control from the Braswellfuel chute fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the QFTdie-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650-1050CFM (4150 flange) for gas, E85 and methanol applications. E85 carbs come with a gold corrosion-resistant finish. 4-corner idle adjustment; QFTdie cast aluminum main bodies, metering blocks & throttle bodies; Braswellfuel chute lite dual inlet, dual site window fuel bowls with 7/8-20 AN #8 fittings ; Changeable idle air & high-speed air bleeds; Gold corrosion-resistant coating; Available in 650, 750, 850, 950 and 1050 CFM sizes (4150 Flange);