*OEM PISTON (PISTON ONLY) STD FITS CT90 ST90 ATC90 CL90 CM91 SL90 50MM (321A)
 
*OEM_HONDA_PISTON (PISTON_ONLY) STD_WORKS_FOR
 
CT90_ST90_ATC90 CL90_CM91_SL90<p>50MM (321A)
 
* 50.00MM OR STOCK BORE
 
* USES STOCK RING SET
 
* USES STOCK 14MM PIN AND CLIPS
 
* HAS A BIT MORE COMPRESSION THAN STOCK PISTON DID