• Hastings Ring Sets are used exclusively in all Keith Black piston sets because of their dependability, quality and performance
• The oil control rings (FlexVent^® ) 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.
Fits Twin Cam 1550cc (95ci) 3.875" bore (3 7/8"). Standard. Moly top ring.
By: HASTINGS MANUFACTURING COMPANY