Proform 67100C 650-800 CFM Holley Carburetor Main Body
Universal Fit, 4-Barrel Carburetor Barrels, Gasoline Fuel Type, Natural, Aluminum
This direct replacement main body will turn your ho-hum Holley street carburetor into a true racing carb featuring adjustable screw-in air bleeds and performance down-leg boosters. Plus, airflow is improved by eliminating the air horn and choke assembly, which can translate into 25-50 more horsepower! Easy 30-minute swap-in, swap-out installation utilizing existing metering blocks, fuel bowls, and base plate. Involves only 14 screws. Instructions, high performance jet kit, and non-stick gaskets included.
- Flows 750+ CFM
- Adjustable screw-in air bleeds
- High-performance down-leg boosters
- Get maximum air flow with no air horn, choke tower, or choke control
- Non-stick replacement gaskets
- High-performance jet kit
Technical Note: Main body does not retain vacuum advance port in original metering block.
For use with Holley Double Pumpers (Mechanical Secondaries):
- 650 CFM (#4777)
- 700 CFM (#4778)
- 750 CFM (#4779)
- 800 CFM (#4780)
586-67100 Instructions (PDF)
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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