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  • Categories: ATV Parts & Performance
  • Categories: Automotive
  • Categories: Honda 50 & Pitbike Parts
    • 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.

  • Wheel Spacer 5 x 5 Inch (5 x 127mm)

    Price $34.99

    50 Caliber Racing - 5 x 5 Inch (5 x 127 metric) Wheel Spacer

    - Will fit most vehicles with 5 x 5 inch bolt pattern, see below for more fitment information
    - Available in 1.0, 1.25, 1.5, and 2.0 inch widths

    Price is for a single wheel spacer.
     
    Please choose size and quantity before ordering

  • Wheel Spacer 8x6.5 Inch 9/16" studs

    Price $50.00

    50 Caliber Racing - 8x6.5 Inch (8 x 165.1 metric) Wheel Spacer

    - Will fit most vehicles with 8x6.5" bolt pattern, see below for more fitment information
    - Available in 1.0, 1.25, 1.5, and 2.0 inch widths

    Price is for a single wheel spacer.

    Please choose size and quantity 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

    Yamaha Rhino 686cc Big Bore Kit

    Price $229.99

    Yamaha Rhino 686cc Big Bore Kit 2004-2007 (top end cylinder kit)

    Bolt on 102mm 686cc Big Bore Kit for all Yamaha Rhino Raptor and Grizzly 660 models. This is a complete bolt on kit with everything you need. Breathe new life into your Yamaha with our high quality, affordable and reliable big bore 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!

    • 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.

    • On sale!
    • Out-of-Stock

    Gasket Head 52mm 110cc-125cc

    Price $10.00

    50 Caliber Racing 52mm Head Gasket Kit for 110cc and 125cc Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers

    • 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.

    • Out-of-Stock

    88cc Race Head Big Bore Kit for honda Z50, xr crf...

    Price $409.99

    88cc Race head kit for Your Honda 50 or Honda 70. This kit will drastically improve your overall performance on your bike. A stock honda 50 puts around 2.2hp to the ground and this kit will put you between 5.5-6hp to the ground and 30% more to the crank! Kit comes with fully assembled race head, performance cam, 20mm carburetor, and all the other goodies needed to fulfill your need for speed!

    • 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

    108cc stroker kit 2 for honda 50's and 70's

    Price $534.99

    Complete 108cc Stroker kit for Honda crf and xr 50 and 70cc engines 1988 to current. Kit includes piston, race head, cylinder, cam, carburetor, throttle cable, gaskets, intake, crank, and filter.

    • Out-of-Stock

    117cc stroker kit 5 for honda 50's and 70's

    Price $419.00

    This kit is the same as the Stroker Kit 4 but also includes a 26mm carburetor for much better performance. This is an affordable kit that will convert your 88cc Race Head kit into a powerful open class 117cc engine. (Much more powerful than the common Chinese 107 and 125cc engines) with tons of torque!