RINGS BY SPORTS PARTS INC.
ALL PISTONS, RINGS, PINS AND CIRCLIPS ARE MANUFACTURE TO O.E.M. SPECIFICATIONS AND ARE INTERCHANGEABLE WITH O.E.M. COMPONENTS. PISTONS ARE MADE OF THE FINEST DIE CAST AVAILABLE WITH DURABLE HIGH STRENGTH IRON RINGS. NOTE: CHROME RINGS CANNOT BE USED IN CHROMED CYLINDERS, ALWAYS CHECK BEFORE INSTALLING.

INCHES TO MM CONVERSION
.010 IN = .25 MM
.020 IN = .50 MM
.030 IN = .75 MM
.040 IN = 1.00 MM, ETC.