AMC – Twin Supercharger Kit


Looking to stand out and make BIG POWER! Check out this 1200hp capable twin setup for the AMC. Complete kit will mount Twin TorqStorm® Superchargers to a 304-401 cid AMC motor.


Twin Kits include 2 superchargers, 2 BOV’s and bung’s, 2 air filters, and all necessary brackets, pulleys, belts and hardware for a complete installation of supercharger to your engine.

AMC TorqStorm Twin Kit 2X includes the above plus one Sanden SD-7 AC compressor, Type 2 Power Steering Pump and Powermaster 165 amp Alternator. **Water pump and balancer not included.

Also available is a Twin belt race version with accessories. 2XRA . This setup will have more belt traction for drag racing use. Both can achieve the same power output. Choose which option fits your needs and desires.

The “short” water pump came on 1968-72 290, 304, 343, 360, 390 and 401 V8 engines and 1971-72 Jeep 304 and 360 V8 engines with 4.438″ hub height.

The “long” water pump came on 1973 and later AMC 304, 360, and 401 V8 engines; as well as 1973 and later Jeep 304, 360, and 401 V8 engines with 4.813 hub height.

Early AMC engines (1967-68) used a 5.68″ hub height; We do not have an application for this and as such customers will need to convert to one of the above pumps if they wish to use this supercharger.


Additional components needed to complete the installation in your vehicle. Such as a blow through carburetor or proper TB injection system, electronic fuel pump capable of supporting the proper fuel pressure, fuel pressure regulator with 1:1 boost reference. An ignition system that is capable of pulling timing under boost, such as the MSD BTM 6462. Premium fuel is required when adding boost to your vehicle.

  • Carb hat options are available on the website. Not included in twin kits
  • Intercooling is suggested on all non-carbureted applications. A bung is included for water meth injection.
  • Blow-thru carburetor required NOTE: BOV and BOV bung’s included, Customer to provide and finish plumbing on their own.

Shipping in the 48 Contiguous States (Alaska, Hawaii & international, please contact us for a shipping quote)

Average lead times are typically 4 weeks for standard finish. Up to an additional 2 weeks for black anodized kits.

Important! Be sure to add your phone number in the “notes section” on the PayPal checkout page in case we have any questions pertaining to your order. Thank you.

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

*** If you cancel your order, the Paypal transaction fee will not be refunded to you. Paypal deducts this fee from us.

*** Be sure this kit fits your application! If you have any questions feel free to Contact us

Additional information

Finish Choice

Natural Billet, Black

Kit Type

Dual Belt Supercharger Drive, Single Belt Supercharger drive

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