H-D #26551-39B, 26551-39C, 26552-72 OIL PRESSURE SWITCH with EXTENSION & WASHER 1963 "Stubby" style - Metal & Phenolic SWITCH has 1/8-27NPT Thread EXTENSION has 3/8NF Male Thread - 1/8NPT Female Thead as used on 1958 - 1967 OHV Iron Pump models & Servi-Car Can be retro fit to '36-'57 motors and on '68 - '84 motors
H-D #26551-39B, 26551-39C, 26552-72 OIL PRESSURE SWITCH with EXTENSION & WASHER 1963 "Stubby" style - Metal & Phenolic SWITCH has 1/8-27NPT Thread EXTENSION has 3/8NF Male Thread - 1/8NPT Female Thead as used on 1958 - 1967 OHV Iron Pump models & Servi-Car Can be retro fit to '36-'57 motors and on '68 - '84 motors