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