Piston Rings,3-5/8" +.040"Os Ph,Sh,BT Evo,U/W Kb Pistons Moly Top Rings,2M-5721-040

MID-63038

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Piston Rings,3-5/8" +.040"Os Ph,Sh,Bt Evo,U/W Kb Pistons Moly Top Rings,2M-5721-040
  • Hastings Ring Sets are used exclusively in all Keith Black piston sets because of their dependability, quality and performance
  • The oil control rings (lexVent®) are the three piece type that offer superior oil control with less friction which translates into more horsepower and less wear on your cylinder walls
  • Available with your choice of cast type top rings that require minimal break-in time or with moly type top rings that require additional break-in time
  • Sold in sets for 2 pistons
Note: Keith Black hypereutectic pistons require additional clearance on the top ring end gap and must be set up according to the instruction sheet included with Keith Black piston sets.its Shovelhead & Evolution 3.625 bore (3 5/8). +.040. Moly top ring.
Piston Rings,3-5/8" +.040"Os Ph,Sh,BT Evo,U/W Kb Pistons Moly Top Rings,2M-5721-040 Harley Mid-USA - K and G Cycles