TB Parts Race Head Kit for 88cc or 108cc - Honda XR50/CRF50 XR CRF Z50 - TBW9005 dnm The end result is a

The end result is a tough

No cutting

of friction discs is 6

It is also to be used in conjunction with manual and/or hydro clutch conversion kits only

- 55mm Stroker Crank - this will increase the engine displacement to 177cc with this 165 kit (available in this section)

TB Parts Race Head Kit for 88cc or 108cc - Honda XR50/CRF50 XR CRF Z50 - TBW9005 dnm The end result is aThis kit is for upgrading TB 88cc bore kits with the old Race Head to the newest Race Head released June 2006. Application: Honda Z50 1988 1999 Honda XR50 All Years Honda CRF50 All Years Key Features: Race Head Large valves (now 25 22mm) and better flow for increased performance. Bigger cooling fins. Includes all necessary parts and comes assembled 52mm piston with rings, pin, & clips. Head gasket kit. NO CAM INCLUDED (uses TBW0300) Recommended: High