54mm (117cc) Head gasket kit

52mm 88cc 110cc 125cc Head gasket and clutch gasket kit for Honda 50 and Chinese Lifan motor.

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.

Stage 1 88cc Big Bore kit for Honda xr and crf 70's. Fits all years

- 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.

Stage 2 88cc Big Bore kit for Honda xr70 and crf70 all years

- 20mm Carburetor kit

- Performance camshaft
- 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 (you can still run pump gas)
- Head gasket kit

High Performance 20mm Carburetor and Intake Kit for 50cc/70cc Honda 50/70. This carb should be used on big bore engines, 88cc-125cc.

This kit is the complete kit to convert your stock motor into a powerful open class 117cc engine!

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!

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.

Brand new with 1 Year Warranty, 50 Caliber Racing single piston Rear Brake Caliper assembly for your Honda ATV. Includes billet parking brake block off plate which is removeable in order to maintain the use of your existing parking brake. Comes with new Pads plus assembly hardware shown, however the bracket is not included so you're required to use your current caliper mounting brackets with this Caliper.

Brand new with 1 Year Warranty, 50 Caliber Racing Front Brake Caliper assembly for the Yamaha Rhino 450/660 UTV. Select to purchase Left, Right or both as a pair to replace the factory Brake Caliper for your Rhino. They come fully assembled including Pads with mounting bracket as a complete and direct replacement for Part numbers: 5B4-2580T-01-00 and 5B4-2580U-01-00.

Brand new with 1 Year Warranty, 50 Caliber Racing Rear Brake Caliper assembly for the Yamaha Rhino YXR 700. Select to purchase Left, Right or both as a pair to replace the factory Rear Brake Caliper for your Rhino. They come fully assembled including Pads with mounting bracket as a complete and direct replacement for Part numbers: 5B4-2580V-00-00 and 5B4-2580W-00-00.

Performance camshaft for Honda Z50 1968-1981

50 Caliber Racing 47mm Standard Bore Piston Kit for Honda C70 CT70 CL70 SL70 XL70 ATC70 vintage pit bikes. Complete assembly including 47mm piston, wrist pin, rings and circlips. Replaces oem Honda part number 13101-087-000.