This item is Compatible with Oldsmobile applications. Pn# - INL14806 1pc Ea 1964-81 GM A-body (, , ) 67-81 GM F-body , , 64-79 X-body , , , Single Alternator Pulley 2 3/4" Dia. offset. 1964-81 GM, 1967-81 F-body / , 1964-72 GM A-body , , , , 1968-1979 , 1971-1974 , 73-74 / , 1965-1978 Fullsize , 1966-1978 All , 1969-1972 , 1965-1978 1965-1978 Fullsize (All Models), This is exact reproduction of the original. This a brand new inline tube factory correct reproduction. is the correct size, shape, from the correct grade steel plated the correct Silver These are the details that separate the first place cars from the rest. Replacement for: 1964-72 , , , , Elcamino 1970-72 , 1969-72 1967-69 , , 66-74 1970-78 / Trans / 1973-79 A-body , , , 1961-79 Trucks all Full Size Cars from 61-74 Any GM Car