88cc Big Bore Kit w/ 20mm Carb & Cam - Honda CRF50 XR50 - 92up Z50 klx140rf If you already have an

If you already have an aftermarket intake that worked with a Keihin PC18mm or PC20mm

High performance race camshaft (for the Race Head only)

Many people call this the TM28

Piston Kit - TBW0892

Also fits the new 165cc skirted & 178cc kit but case boring is required

88cc Big Bore Kit w/ 20mm Carb & Cam - Honda CRF50 XR50 - 92up Z50 klx140rf If you already have anTB Parts 88cc Big Bore w 20mm Carb Kit TBW0930 Fits: All Honda CRF50 & XR50 1992 and up Honda Z50 Description: 88cc Big Bore kit, 20mm Carburetor kit, and Race Cam Performance Kit: 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 Head gasket kit High performance race camshaft for