NEW 52MM PISTON KIT USES BIG DOME HEAD XR50 XR70 CRF50 CRF70 88CC BORE (S1196)
52MM_PISTON_KIT MUST_HAVE_BIG DOME_HEADS!!  
 
XR50/70 CRF50/70
 
(Z50R_82_TO_99)W/BIG_DOME_HEADS 
 
(LONG_RODS) BIG_DOME (OLD_70_DOME) (S1196)
 
THIS WILL WORK ON ALL XR50/70 CRF50/70 OR Z50R'S 1982 THROUGH 1999 IF YOUR USING A BIG DOME RACE HEAD 
 
OR A HEAD FROM AN OLDER HONDA 70, ONE WITH 22MM AND 25MM VALVES
 
THE BIG DOME OLD TYPE HEADS WERE ON CT70 FROM 69 TO 81 AND ON ALL SL XL AND CL70'S