Chevrolet Performance 19420447 - Carburetor Holley 870-cfm

Holley 4150-style 870-cfm 4-bbl carburetor Features show-car-quality polished finish Dual feed, center-hung float bowls Vacuum secondaries Automatic electric choke Quick-change adjustable vacuum secondary Recommended for 502 crate engines and suitable for Big-Block engines, including competition and off-road vehicles Bolts and gaskets included Replaces 4150-style 850-cfm carburetor P/N 12366996