Wiseco / Vertex Top End Rebuild Kit .50mm / .020” Oversized 70.50mm bore Wiseco piston kit annd Vertex Top End Gasket Set. Includes piston, rings, pin, clips, Top End Bearing, and Top end Gaskets
ITEM FITS:
1981-1984 Honda Atc250r
(1) 431M07050
(1) B1003
(1) 810866