Honda CB550F CB550K Premium Piston Ring Set (Standard Size) - Made in Japan - 73-1025 Timing Belt Honda CB750F CBX1050 Rear Rotor

Honda CB750F CBX1050 Rear Rotor - Replaces Honda OEM 43121-422-000

XL100 (1974-76)

LT500R (1987-90)

CB350K (1968-73)

Honda CB550F CB550K Premium Piston Ring Set (Standard Size) - Made in Japan - 73-1025 Timing Belt Honda CB750F CBX1050 Rear RotorHonda CB550F CB550K Premium Piston Ring Set (Standard Size) Made in Japan 73 1025. This piston ring set seals combustion pressure and controls oil at the piston when matched to the bore and ring grooves. Use only after measuring bore condition, piston to cylinder clearance, ring groove clearance, and installed ring end gap. Install each ring in its specified groove and orientation. Fitment Compatibility Fits Honda: CB550K (1974 78) CB550F (1975 77)