Race Q Series Mechanical Secondary Racing Carburetors - Annular Booster

Race Q Series Series Carburetor - Annular Boosters

• 4150 square bore
• 360° annular boosters
• Mechanical secondary w/ tuneable secondary opening rate
• Dual pattern billet throttle body mounts to both 4150 & 4500 flanges
• Roller bearing throttle shaft seals
• Lightweight aluminum main body
• Dual 7/8"-20 inlets
• Dual billet metering blocks
• Secondary jet extensions & notched float
• 4 corner idle adjustment
• Screw in air bleeds & jets
• Lightweight aluminum fuel bowls with internal baffles, raised roof, re-designed fuel entry orifice, quick change jets, and built-in sight windows
• All aluminum construction (up to 5 lbs. less than other carbs)