| OEM | OEM | Description | Used on |
| 255-48D | 22218-48 | .010" piston O.S. | 1948 to 1952--74" OHV |
| 255-48E | 22219-48 | .020" piston O.S. | 1948 to 1952--74" OHV |
| 255-48F | 22220-48 | .030. piston O.S. | 1948 to 1952--74" OHV |
| 255-48G | 22221-48 | .040" piston O.S. | 1948 to 1952--74" OHV |
| 255-48H | 22222-48 | .050" piston O.S. | 1948 to 1952--74" OHV |
| 255-48JA | 22223-48 | .060" piston O.S. | 1948 to 1952--74" OHV |
| 255-48KA | 22224-48 | .070" piston O.S. | 1948 to 1952--74" OHV |
| 2550-34 | 38120-34 | Clutch thrust cap | 1934 to 1940 |
| 25501-37 | 610-37 | Front inlet cam gear | 1937 to 1952 --45" twins, 1953 & 1954 --Servi-Cars |
| 25502-37 | 611-37 | Rear inlet cam & timer gear | 37 to 57--all W & G models |
| 25503-37 | 612-37 | Front exhaust cam gear | 37 to 57--all W & G models |
| 25504-37 | 613-37 | Rear exhaust cam gear | 37 to 57--all W & G models |
| 2551-29 | 6208 | Push rod steel washer | 1929 to 1940 |
| 25510-37 | 610-37A | Front inlet cam gear | 1937 to 1948--74" & 80" side valves |
| 25511-37 | 611-37A | Gear inlet cam gear and timer gear | 1937 to 1948--74" & 80" side valves |
| 25512-37 | 612-37A | Front exhaust cam gear | 1937 to 1948--74" & 80" side valves |
| 25513-37 | 613-37A | Rear exhaust cam gear | 1937 to 1948--74" & 80" side valves |
| 2551W | | Bolt, 1/4-20 x 1 hex. hd. | |
| 2552-29 | | Clutch release push rod washer | DL, RL, WL, 1929-1940. |
| 25522-36 | 614-36 | Cam gear | 1936 to 1947--OHV |
| 25523-48 | 614-48 | Cam gear--Std. | 48 to 57-74" OHV |
| 25523-56 | | Cam gear (Victory) | 56 & 57--FLH |
| 25524-48 | 614-48A | Cam gear | 48 to 52-61" OHV (Special 61" cam for FLE, FLEF) |
| 25546-26 | 642-26 | Cam gear shaft pin | 30 to 57--OHV |
| 2555-41A | | Hand clutch control cpt. | 1941 to 1948 |
| 2555-49 | 38602-49 | Hand clutch control cpt. | 1949 & 1950 |
| 25550-36 | 664-36 | Cam gear thrust washer--.050" | 36 to 57--OHV |
| 25550-57 | | Cam gear thrust washer | 1958 to * --FL, FLH |
| 25551-36 | 664-36A | Cam gear thrust washer--.055" | 36 to 57--OHV |
| 25552-36 | 66B4-36 | Cam gear thrust washer--.060" | 36 to 57-0HV |
| 25553-36 | 664-36C | Cam gear thrust washer--.065" | 36 to 57-0HV |
| 25554-36 | 664-36D | Cam gear thrust washer--.070" | 36 to 57-0HV |
| 25555-36 | | thrust washer, cam gear - .075 thick | 1941 to *--FL, FLH |
| 2556-41 | 38610-41 | Hand clutch control coil | 1941 to 1950 |
| 2557-41 | 38630-41 | Control wire | 1930 to 1950 |
| 25575-37 | 659-37A | Set of gear shaft end bushings | 37 to 57--all W & G Models |
| | | Part 25575-37 (Set of gear shaft end bushings) consists of: | |
| | | 25586-37: Cam gear cover bushing | |
| | | 25588-37: Cam gear cover bushing | |
| | | 25590-37: Cam gear cover bushing | |
| | | 25593-37: Cam cover gear shaft bushing | |
| | | 25595-37: Cam gear cover bushing | |
| | | 25601-37A: Crankcase cam gear bushing | |
| | | 271: Cover bushing pin (1/8" x 1/4") | |
| | | 6769: 11/16" x 1-1/16 x 1/64" Plain steel washer | |
| 25576-37 | 659-37 | Set of gear shaft end bushings | 1937 to 1948--74" & 80" side valves |
| | | Part 25576-37 (Set of gear shaft end bushings) consists of: | |
| | | 25586-37: Cam gear cover bushing | |
| | | 25588-37: Cam gear cover bushing | |
| | | 25590-37: Cam gear cover bushing | |
| | | 25591-37: Cam gear cover bushing | |
| | | 25599-37: Crankcase cam gear bushing | |
| | | 271: Cover bushing pin (1/8" x 1/4") | |
| | | 6769: 11/16" x 1-1/16 x 1/64" Plain steel washer | |
| 25577-36 | 659-36 | Set of shaft end bushings | 36 to 53-0HV |
| 25577-54 | | Set of gear shaft end bushings | 54 to 57-74" OHV |
| | | Part 25577-54 (Set of gear shaft end bushings) consists of: | |
| | | 25550-36: Cam gear thrust washer--.050" | |
| | | 25581-36: Crankcase cover gear bushing | |
| | | 25582-54: Crankcase cover pinion gear shaft bushing | |
| | | 25597-36: Crankcase cam gear bushing | |
| | | 271: Cover bushing pin (1/8" x 1/4") | |
| 2558-41 | | Control cable end nut | 1941 to 1950 |
| 2558-41A | | Control cable end screw | 1941 to 1950 |
| 2558-41B | 6255 | Control cable end washer | 1941 to 1950 |
| 2558-41C | 38700-41 | Hand lever cpt. | 1941 to 1948 |
| 2558-49 | 38700-49 | Hand lever cpt. | 1949 to 1950 |
| 25581-36 | 661-36 | Crankcase cover gear bushing | 1936 to 1954--OHV, 1932 to 1957--all W & G models, 37 to 48-74" & 80" sidevalves |
| 25582-36 | 661-36A | Crankcase cover pinion gear bushing | 36 to 53-0HV |
| 25582-54 | | Crankcase cover pinion gear shaft bushing | 54 to 57-74" OHV |
| 25586-37 | 660-37C | Cam gear cover bushing | 1937 to 1952 --45" twins, 1953 & 1954--Servi-Cars, 1937 to 1948--74" & 80" side valves |
| 25588-37 | 660-37B | Cam gear cover bushing | 1937 to 1952 --45" twins, 1953 & 1954--Servi-Cars, 1937 to 1948--74" & 80" side valves |
| 2559-41 | 38705-41 | Hand lever bracket | 1941 to early 1946, 1942 & 1943 model WLC |