NOTE: Cylinder SN. (8 digit) is located on the rod end cap, port side. The first 2 digits denote the year. Prior to 1982 ____ Lip style cups 1978 to 1981 ____ ER series 1982 to current ___ U-cup The rod kits have remained the same.
AAA APM Brown CAM EMC Heartland Comet Drypoll Irwin Lyle Modern PI MAAC Shuman ZED ZMD