Image 1 of 3 Image 2 of 3 Image 3 of 3 Pontiac distributor rotor 8 cylinder 1955 1956 NOS Standard Motors $7.95 Rotor NOS Standard Motors replaces Delco-Remy 1927393 used on the 8 cylinder Pontiac from 1955-1956 Add To Cart Added! Rotor NOS Standard Motors replaces Delco-Remy 1927393 used on the 8 cylinder Pontiac from 1955-1956