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  • Uniball Spherical Bearings - .5" to 1.5" Bore

    Price $39.99

    50 Caliber Racing heavy duty chromoly uniball spherical bearings with PTFE (nylon/teflon) liner. Perfect for use in fabricating chassis components like A-arms and radius rods. Available in several sizes to fit most any off road or race application.

    Be sure to choose bearing size before ordering!

    • Out-of-Stock

    Polaris 500 Top End Rebuild Kit

    Price $299.99

    Polaris Sportsman 500 ATV Top End Cylinder Rebuild Kit

    50 Caliber Racing stock bore size replacement kit. Includes all gaskets and components necessary to rebuild your top end. Manufactured to OEM spec, our kits are complete, high quality and will extend the life of your toys for many more years of enjoyment.

  • Chromoly Uniball Cups with Snap Ring

    Price $25.99

    50 Caliber Racing heavy duty uniball bearing weld cups are perfect for use in fabricating chassis and suspension components like A-arms and radius rods. Precision machined from 4130 Chromoly steel alloy. Includes a matching spring steel snap ring retainer. Available in several sizes to fit most any off road or race application.

    Be sure to choose correct size before ordering!

    • Out-of-Stock

    Cooling Fan Polaris 600 700 800 Twin

    Price $95.00

    Polaris 600 700 800 Sportsman Ranger RZR Cooling Fan 2002-2015

    Brand new cooling fan assembly including clips. Manufactured to OEM spec for an exact fit, just remove, replace and ride!

    For Polaris Sportsman 600-800 , Ranger 800, and RZR 800

    • Out-of-Stock

    88cc Race Head Vintage big bore kit for honda z50...

    Price $409.99

    50 Caliber Racing Race Head, 88cc Big Bore kit, and 20mm Carburetor

    Our Race Head has been updated for even more performance! It now has 25/22mm valves with better porting/flow. We also kept the combustion chamber the same size and changed the angle of the valves slightly. This will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines!

    • Out-of-Stock

    Dzus Tab Plate Kits - Dimpled Center

    Price $25.99

    50 Caliber Racing Dzus tab kits are just what you need to attach aluminum panels when fabricating custom doors, roof, bed, fenders, dash panels and more. The tabs in our kits come already assembled, with the spring pre-riveted to save you time. Tab edges are rolled for easy placement and flat head 1/4 turn button fasteners in 7/16 diameter allow for a clean, sleek, professional look. 

    Be sure to choose kit size before ordering!

    • Out-of-Stock

    88cc stage 2 Vintage big bore kit for honda z50,...

    Price $244.99

    Vintage Stage 2 88cc Big Bore kit

    - Fits 1968-1981 honda z50, ct70, atc70, trx70, sl70, xl70
    - 20mm Carburetor
    - 52mm Piston and cylinder
    - Lightweight aluminum cylinder with steel sleeve
    - Cast in mounts on cylinder for aftermarket skid plates
    - Oversized cooling fins on cylinder for efficient heat dissipation