88cc Big Bore Race Head Kit w/ Carb Kit - Honda Z50 / XR50/CRF50 / XR70/CRF70 - TBW0936 Sudco Uses solid billet aluminum sections

Uses solid billet aluminum sections for increased strength

ALL Kawasaki Z125 Pro

This kit is similar to other complete 143 kit but includes Trail Bikes new Race Head V2

Also serves as a replacement for all years

- Race Head – Larger valves (now 25/22mm) and better flow for increased performance

88cc Big Bore Race Head Kit w/ Carb Kit - Honda Z50 / XR50/CRF50 / XR70/CRF70 - TBW0936 Sudco Uses solid billet aluminum sectionsRace Head, 88cc Big Bore kit, and 20mm Carburetor Performance Kit: TBW0936 Fits: All Years CRF50 & XR50 All Years CRF70 & XR70 88 99 Z50 UPDATE Until further notice, this kit will also include the following items at no extra charge and free shipping!!! 6 Piece main jet kit for the 20mm carb ($10 savings) High Volume oil pump ($25 savings) Clutch cover gasket ($3 savings) Performance CDI ($25 savings) Free shipping ($20 savings) $83 total savings TB