19420447 Carburetor (870 Holley) Replaces 19170094
- Holley 4160-style 870-cfm four-barrel carburetor
- Features show-car-quality polished finish
- Vacuum secondaries
- Automatic electric choke
- Four-corner idle adjustment
- Dual feed, center-hung float bowls
- Quick-change adjustable vacuum secondary
- Recommended for 502 crate engines and suitable for Big-Block engines, including street, competition, towing and off-road vehicles
- Bolts and gaskets included
- Replaces Holley 4150 850-cfm carburetor #88961560
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