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Upgrade Kit '10 Single Belt Phase 1 to Phase 2 R2300


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  • Model: R421109
  • Manufactured by: ROUSH

Please allow 1-5 business days for product to ship. Most items are dropped shipped from manufacture.

ROUSH PERFORMANCE Upgrade Kit, Single Belt Phase 1 to Phase 2 R2300

Mustang: 2010

Product Features

  • Not 50 State Legal
  • Part #420131
  • 2010 Mustang Supercharger Single Belt Phase 1-2 includes the components required to convert the Single Belt Phase 1 2010 Mustang GT Supercharger (part #421107) to a Phase 2 system.

    The total power at the flywheel with this kit is 550 hp / 500 lb-ft, up from the 475 hp /435 lb-ft of the Phase 1 system.

    This supercharger kit belongs to a new and innovative line of ROUSHchargers designed to allow for easy upgrading. Customers can buy in at one Phase in the line and upgrade later while reusing as many parts as possible from the kit that they already have.

    The components of the Single Belt Phase 1-2 2010 Mustang Supercharger Upgrade include the following:

    • 80mm pulley
    • GT500 Fuel system Upgrade
    • To be downloaded using the ROUSH Diagnostic Tool (RDT) software.

    This part now utilizes the ROUSH Flash Voucher card to be calibrated using ROUSH Diagnostic Tool (RDT) software and pass-thru device. If you do not have access to an approved pass-thru device, you can send your PCM back to ROUSH to be flashed for an additional $100.00 fee.

    PRICE MATCH! We are the 1st and largest distributor in the world for superchargers and supercharger parts. If you find this system for a lower price through another dealer, give us a call at 818-518-9889 or email, provide the Pricing and Store, and we will try our best to beat the price for you! You will see why people prefer us over others. is an Authorized distributor, be cautious from other companies that are not Authorized Distributors.
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