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Model 4160, 450 CFM, Tunnel Ram Carburetor-4160
The 0-9776 450 CFM mechanical secondary carburetor is designed as a universal performance carburetor for use on tunnel ram applications.

Installation Notes: This 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.


  • Universal Holley 4-Barrel Carburetor
Barrels 4
Booster Straight
Brand Holley
CFM 450
Choke None
Emission Code 3
Finish Gold Dichromate
Flange Size Square bore
Fuel Gasoline
Fuel Inlet Single
Material Zinc
Model 4160
Primary Main Jet 58
Primary Power Valve 8.5
Primary Pump Nozzle Size 31
Product Type Carburetor
Secondaries Mechanical
Supercharged Application No
Throttle Bore 1.5
Warning California Proposition 65
Warranty Limited 90 Day

Click here for Instructions for Part# 0-9776