PISTON KIT XR XL250 75.00, WISECO 4171M07500

PART NO. 56-W4171+P4.WI (phoenixmotos.COM)
Honda XL 250 1979 - 1982, Honda XR 250 1979 - 1983,
WISECO Piston Honda XL/XR250 75.00mm Bore (PN# 4171M07500)
Lock P/N CW19

Pin P/N S376
Ring Set P/N 2953XC