Edelbrock Supercharger Kit E-Force H122 Small Block Chevy Carbureted 1957-1986
Highlights
- Eaton Internals
- H122 Rotor Assembly
- SBC Engine Upgrade
- Up To 500 Horsepower
Edelbrock E-Force H122 Supercharger Kit for 1957-1986 Carbureted Small Block Chevy Engines.
Edelbrock designed the E-Force H122 Supercharger Kit to be compact for 1957-1986 carbureted Small Block Chevy Engine bays. You can eliminate the hassle of aftermarket upgrades by hooking up the Eaton(R) H122 Rotor assembly to the factory belt and pulley configurations. After install, this supercharger can reach up to 507 horsepower.
Features and Benefits:
- Positive Displacement Produces 500+ Horsepower
- Eaton(R) H122 Rotor Assembly
- Compact Engine Bay Design With Satin Finish
- Uses Factory Style Belt and Pulley
- Internal Bypass Valve Prevents Throttle Loss
- Self-Contained Oil System
Positive displacement superchargers produce more horsepower because Edelbrock engineers added an internal bypass valve to prevent deceleration. The complete assembly features Eaton internals, intake manifold, drive pulleys, a belt, and gaskets.
Specifications:
- Manifold Height: (Front) 8.50, (Rear) 9.75
- Carb Pad Height: 9.125
- Carb Height: 3.25
*Testing resulted in a peak of 507 horsepower and 487 ft/lbs of torque @ 5 psi on a 350 c.i.d. with 9.5:1 compression.
Additional Notes:
- These Edelbrock E-Force Superchargers are intended for 302-400 c.i.d. Small-Block Chevys equipped with long water pumps and stock style bracketry. It's designed to utilize the factory accessory drive belts, in conjunction with the secondary 6 rib supercharger pulley drive system.
- Will not work with aftermarket serpentine pulley systems and will require the use of a long-style water pump.
- Does not include a carburetor, so you can use your carburetor of choice.
California Residents: Proposition 65 Warning
Related Categories: Chevrolet C10 Parts, C10 Restomod, C10 Engine, C10 Restomod Engine
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Advanced skill is required for this installation.




