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    Our Drag Race SR20 Short Block, includes a 91mm Stroker rotating assembly. We rate this short block to 1200+hp

    The Mazworx Drag Race Billet SR20RWD is built with the following components:

    - Mazworx Billet SR20 Block

    - Mazworx SR20 91mm Billet Crankshaft

    - Proprietary, Mazworx Sleeving (Darton Sleeves)

    - Custom CP Pistons

    - .250" wall thickness upgraded Wrist Pins

    - GRP Aluminum Rods

    - Calico Coated ACL Race Rod and Main Bearings

    - New oil pump

    - Mazworx Front Oil Squirter

    - Oil groove machining

    - Fully Assembled