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Description
This is a Brand New 850 CFM Carb Center Body, 850 CFM Carb Base Plate, and a PAIR of adjustable metering blocks. The center body is designed for absolute flow and fuel delivery. Gain 25-35hp with this direct replacement, high performance carb main body.
- Flows 850 CFM
- Adjustable screw in air bleeds
- High performance down leg boosters.
- Get maximum air with no air horn choke tower or choke control.
- Compatible with Holley and Proform carb parts
This high performance 850 carburetor base plate is designed to fit a 4150 style double pumper. It features a secondary opening screw, button screws on the blades for better flow, and a variety of vacuum ports. The bores are 1.75" This is a nice quality plate with good castings.
Finally this includes a set of Adjustable Metering Blocks. These fully adjustable metering blocks allow you to maintain control of your carburetors fuel delivery. They feature improved response over stock and are fully tunable for both street and race applications. They retain vacuum passage for distributor vacuum advance. These are a direct replacement for Holley - they fit all 4150 and 4160 style carbs with 582 jets.
GH1111-1 + GH1111-2 + GH3227B