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14 tooth Sprocket made for a 420 chain. The shaft opening size is a 20mm opening to the outside walls. Bolt holes are 34mm eye to eye. This sprocket will fit atvs, pit bikes, and many other applications.
Steel 13 tooth Sprocket for a 420 chain. The shaft opening size is a 17mm opening to the outside walls. Bolt holes are 34mm center to center. This sprocket will fit atv's, pit, bikes, motorcycles, quads, and many other applications.
50 Caliber Racing 47mm Gasket kit for 70cc Lifan Engines Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers
50 Caliber Racing 52mm Head Gasket Kit for 110cc and 125cc Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers
50 Caliber Racing 47mm Head Gasket Kit for 70cc Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers
50 Caliber Racing 52mm Gasket kit for 110cc and 125cc Lifan Engines Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers
50cal 271 High Strength RED Bolt Glue 50ml bottle high strength threadlocker. This is a bolt glue by 50 Caliber Racing. Its purpose is to keep your nuts and bolts together! Its excellent for engines or any nuts and bolts that get vibration. If you are tired of nuts and bolts rattling lose this is your solution!
Red Bolt Glue 250ml bottle high strength thread locking glue. This is a bolt glue by 50 Caliber Racing. Its purpose is to keep your nuts and bolts together! Its excellent for engines or any nuts and bolts that get vibration. If you are tired of nuts and bolts rattling lose this is your solution!
Stage 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.
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!
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!
Stroker 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)
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.
Premium 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)
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!
High Volume oil pump for 1992 to current year Honda xr and crf 50. Fits all years of xr and crf, Delivers 3 times the amount of oil over stock pump.
High Volume Oil Pump - Vintage Honda Z50
High volume oil pump for vintage Honda pit bikes and small ATVs. Delivers up to 3x the volume as the stock pump. We highly recommend upgrading your oil system when installing a big bore kit. Installation requires 2mm drill out of oiling outlet.
Performance camshaft for Honda xr crf 50 or 70. Will fit 2000-present
Jet Kit for 20mm carb jets included 82/85/87/90/92/95
We now offer our own brand Jet Kit! Put the following reference number in the search bar: [4211A1]
