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  • RZR Bump Seat & Safety Harness 570 800 XP900

    RZR Bump Seat & Safety Harness 570 800 XP900

    Price $259.99

    RZR Bump Seat Kit with 2" Safety Harness for 2 & 4 Seat 570 800 & XP900

    Upgrade your RZR with a 3rd seat made just for kids, 60 lbs or less! Designed to mount over the middle bump between the front or rear driver and passenger stock Polaris seats.This kit includes a 4 point safety harness in your choice of color, so you can keep your child passenger safe and secure. 
  • Top End Kit for Yamaha YFM250 Bear Tracker Moto-4 and Timberwolf ATVs
    • Out-of-Stock

    Yamaha Moto-4 250 Top End Cylinder Kit YFM250

    Price $125.00

    Yamaha Moto-4 250 Top End Cylinder Kit 1989-2004, YFM250

    Complete top end rebuild kit for your Yamaha YFM250 Moto-4, Bear Tracker and Timberwolf ATV. Our kits are high quality, complete and ready to build right out of the box. You'll be able to take confidence that you'll have the precision components you need to get your toys running again, the right way.
  • XP1000 Bucket Seat with Carbon Fiber Look Right Side Angle
    • On sale!
    • Out-of-Stock

    XP1000 Bucket Seat with Carbon Fiber Look

    Price $399.99

    50 Caliber Racing Carbon Fiber Look Bucket Seat for Polaris RZR XP1000


    Featuring a supportive tubular metal frame, thick bolsters, and 4 point harness pass through holes. Upholstered in black vinyl with awesome carbon fiber look inserts and an embroidered logo. Removable bottom cushion for easy cleaning. Some modifications may be required for installation.

    Price is for one seat
  • 50 Cal RZR Doors Black on Black
    • Out-of-Stock

    50 Cal RZR Doors Black on Black

    Price $399.99

    50 Caliber Racing RZR Doors with Slam Latches - Black Panel with Black Frame

    High quality front hinge doors for your RZR 570 800 and 900. Made from 6061 aluminum these doors are light weight and strong. They include reliable slam latches with capped nuts for added safety. These doors come fully assembled are easy to install and they open in the direction of a traditional car door.
  • Aluminum doors for Polaris RZR 570 800 900 XP
    • Out-of-Stock

    50 Cal RZR Doors White on Black

    Price $399.99

    50 Caliber Racing RZR Doors with Slam Latches - White Panel with Black Frame

    High quality front hinge doors for your RZR 570 800 and 900. Made from 6061 aluminum these doors are light weight and strong. They include reliable slam latches with capped nuts for added safety. These doors come fully assembled are easy to install and they open in the direction of a traditional car door.
  • 88cc stage 1 Vintage big bore kit for honda z50, ct70, atc70, trx70, sl70, xl70
    • Out-of-Stock

    88cc stage 1 Vintage big bore kit for honda z50,...

    Price $155.00

    Vintage Stage 1 88cc Big Bore kit (52mm bore)

    - Lightweight aluminum cylinder with steel sleeve
    - Cast in mounts on cylinder for aftermarket skid plates
    - Oversized cooling fins on cylinder for efficient heat dissipation
    - High compression 52mm piston with rings, pin, & clips (can still run pump gas)
    - Head gasket kit includes all gasket needed to install bore kit.
  • 88cc stage 2 Vintage big bore kit for honda z50, ct70, atc70, trx70, sl70, xl70
    • 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
  • 88cc Race Head Vintage big bore kit for honda z50 and ct70
    • 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!
  • Cooling Fan Polaris 600 700 800 Twin
    • 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
  • Yamaha YFM 80 Top End Cylinder Kit
    • Out-of-Stock

    Yamaha YFM 80 Top End Cylinder Kit

    Price $89.99

    OUT OF STOCK

     Yamaha YFM 80 Top End Cylinder Kit 1985-2014

    Complete top end rebuild kit for your Yamaha YFM 80 Badger, Raptor and Grizzly youth ATV. Our kits are high quality, complete and ready to build right out of the box. You'll be able to take confidence that you'll have the precision components you need to get your toys running again, the right way. Be a superdad and fix your kid's bike!
  • Honda TRX400EX 440cc Big Bore Kit
    • Out-of-Stock

    Honda TRX XR400R 440cc Big Bore Kit

    Price $129.99

    440cc Big Bore Kit with 89mm Piston for Honda XR400R / TRX400EX 1996- 2016

    Bolt on 89mm 440cc Big Bore Kit for all Honda TRX400ex and XR400 models. This is a complete kit, with everything you need to rebuild your top end.
  • Polaris 500 Top End Rebuild Kit
    • 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.
  • CanAm X3 Bump Seat
    • On sale!

    Can-Am X3 Bump Seat with Harness

    Price $334.99

    Can-Am X3 Bump Seat with Harness

    50 Caliber Racing Bump Seat for the Can-Am X3 is the perfect upgrade to get the entire family having fun together! This seat is made to be mounted in the middle front between driver and passenger or in the back between the rear stock seats.
  • Yamaha Banshee 350 Top End Cylinder Kit
    • Out-of-Stock

    Yamaha Banshee 350 Top End Cylinder Kit

    Price $219.99

    Yamaha Banshee 350 Top End Cylinder Kit 1987-2006

    Complete top end rebuild kit for your Yamaha Banshee 350 YFZ350. Our kits are high quality, complete and ready to build right out of the box. You'll be able to take confidence that you'll have the precision components you need to get your toys running again, the right way.