Quick Fuel Slayer Series 450 CFM 4-barrel Carburetor - Square Bore - Electric Choke - Vacuum Secondary - Single Inlet - Polished 929010 Inserts are used in place

Inserts are used in place of restricting inserts allowing full throttle operation without restriction

Dual 1/2" NPT Female Inlets

The mounting holes in the regulator are not threaded

For OE replacement

Quick Fuel Slayer Series 450 CFM 4-barrel Carburetor - Square Bore - Electric Choke - Vacuum Secondary - Single Inlet - Polished 929010 Inserts are used in placeThis model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3 16" x 5 5 8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932. Vacuum Secondaries Electric Choke Single Metering Block Secondary Metering Plate Cast Aluminum Throttle Body Single Sight Glass Windows