Holley Replacement Carburetors are Engineering to Improve Performance and Keep You Emission Legal. This Carburetor is Designed to Fit Several Applications. See Application Chart for Specific Details.
Emission Legal Carburetor Engineered to Improve Performance. Model 4165™ Spread Bore, Divorced Choke, Mechanical Secondary
Installation Notes
Not Legal for Street use in California on Vehicles Originally Equipped with 2-Barrel Carburetors for which there was no 4-Barrel Option.
Features
Mechanical secondaries
Single feed fuel inlet
Divorced choke
Dual accelerator pumps
All emissions provisions
Designed as a emissions legal performance replacement for Q-jet on certain GM applications