Holley 0-4412S 2300 500CFM Universal Polished

The 0-4412 is designed as a stock replacement for 2BBL street applications as well as being mandated for some oval track racing sanctioning bodies. The 0-4412 is easily the winningest two barrel carburetor on the market, used for decades in circle track racing around the world! Important Downloads:Instructions for Part# 0-4412SCarburetor Numerical Listing for Part #0-4412SFeatures:Vibratory polished for good looks - Intended as stock performance replacement for 2-bbl street applications. Also a mandated carb for some oval track racing sanctioning bodies - Manual (Cable driven, hand operated) choke for precise cold start control50cc accelerator pump for additional fuel under initial acceleration - Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required. - Power valve blow-out protection100% wet-flow tested by Holley technicians to assure it arrives ready to run! Specifications:Barrels: 2Booster: Down Leg - CFM: 500Choke: Manual - Emission Code: 3Finish: Shiny - Fuel: Gasoline - Fuel Inlet: Single - Material: Aluminum - Model: 2300Primary Main Jet: 73Primary Power Valve: 5Primary Pump Nozzle Size: 28Product Type: Carburetor - Secondaries: None - Supercharged Application: No - Throttle Bore: 1.688 inch - Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port - Venturii Size: 1.376 inch