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Yamaha Moto-4 250 Top End Cylinder Kit YFM250
Price $125.00Yamaha 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. -
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Extended Swing Arm - Black
Price $185.99.50 Caliber extended swingarm extends the bike 2 1/2 inches to allow a more stable ride and upgraded shock. Swingarm comes with a chain slide brake extender and 4 bearings for extra strength. **Also comes with a free chain.**
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Extended Swing Arm - Silver
Price $179.99.50 Caliber extended swingarm extends the bike 2 1/2 inches to allow a more stable ride and upgraded shock. Swingarm comes with a chain slide brake extender and 4 bearings for extra strength. **Also comes with a free chain.**
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Cooling Fan Polaris 600 700 800 Twin
Price $95.00Polaris 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 -
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Yamaha Rhino 686cc Big Bore Kit
Price $229.99Yamaha 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!
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10 x 1.25 mm Spiked Lug nuts Chrome - 16 Pack
Price $0.00Discontinued
16 Tapered Splined Lug Nuts with Chrome Finish and Anodized Aluminum Spike - 10 x 1.25 Thread Pitch
Be sure to select color before ordering!. -
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Yamaha YFM 80 Top End Cylinder Kit
Price $89.99OUT 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! -
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Honda TRX XR400R 440cc Big Bore Kit
Price $129.99440cc 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. -
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Polaris 500 Top End Rebuild Kit
Price $299.99Polaris 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!
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Gasket Head 52mm 110cc-125cc
Price $10.0050 Caliber Racing 52mm Head Gasket Kit for 110cc and 125cc Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers
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Yamaha Banshee 350 Top End Cylinder Kit
Price $219.99Yamaha 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.
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88cc stage 1 big bore kit for honda Z50, xr50 and crf50
Price $155.00Stage 1 88cc Big Bore kit for 88-99 Z50, 2000-2020 xr and crf 50's
- 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. -
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88cc Race Head Big Bore Kit for honda Z50, xr crf...
Price $409.9988cc 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!
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88cc Race Head Vintage big bore kit for honda z50...
Price $409.9950 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!
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108cc stroker kit 1 for honda 50's and 70's
Price $279.99Stroker Kit 1
Ready for more power? Convert your 88cc Race Head kit into a 108cc stroked out beast!! (Much more powerful than any of the chinese engines up to 125cc)
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108cc stroker kit 2 for honda 50's and 70's
Price $534.99Complete 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.
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High Quality 20mm Carburetor for Honda 50 Big bore...
Price $60.00Premium Grade 20mm Performance Aftermarket Carburetor for Honda 50 Pit Bikes with 88cc Big Bore Engines!
Intake throat diameter: 20mm
Bolt hole spacing: 48mm
Air filter mount diameter: 32mm
Fits:
- Honda 50 XR50 CRF50 XR70 CRF70 (Sized for 88cc - up Big Bore modified engine. Not recommened for stock engines) -
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117cc stroker kit 5 for honda 50's and 70's
Price $419.00This 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!