1st Oversize Piston Ring Set + 0.25mm.

Ring Set OEM Ref. # 13021-392-000 / 13021-392-004
Japanese made Superior Quality

Fits: Honda CB750K (1977-78),
CB750F (1977) Supersport,
CB750A (1976-78) Hondamatic

CB750F (1976) Supersport (Only fits bikes with engine serial numbers ABOVE #2551568 for the 1976F model, please check your serial number before purchasing)

Note: This Set includes piston rings to rebuild one piston, 4 Sets are needed to rebuild all pistons.

Part Number: 05-7301