TB Parts Race Head Kit for 88cc or 108cc - Honda XR50/CRF50 XR CRF Z50 - TBW9005 dnm of friction discs is 6

of friction discs is 6

Nothing is cast

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

Our unique design runs over the top of the pegs but under the kick starter so there is no interference with the engine case or kicker

This cam sprocket allows the use of any of our 2002-2009 KLX110 Race Heads kits

TB Parts Race Head Kit for 88cc or 108cc - Honda XR50/CRF50 XR CRF Z50 - TBW9005 dnm of friction discs is 6This 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