Pontiac Engine Parts Interchangeability
Item:
Years of Interchangeability:
Engine Block:
1955,1956,1957,1959-60,1961-64 (Full size V-8), 1964-69 (Tempest & Grand Prix V-8), 1970-79.
Bell Housings:
1955,1956-57,1958-60,1961-64 (Fullsize), 1964-79 (All but 1964 Fullsize)
Oil Pump:
1955-58, 1959-79
Oil Pan:
1955-58, 1959-60, 1961-63, 1964, 1965-71, 1972-79
Windage Tray:
1955-58, 1959-60, 1961-62, 1963, 1964, 1965-72
Oil Filter:
1955-59, 1960-1979
Oil Filter Housing:
1955-59, 1960-1962, 1963, 1964-1970 (Straight), 1967-1979 (Tilted)
Crankshaft:
1955-1956, 1957-1958, 1959-1966 (3" Main), 1967-1976 (3" Main), 1962-1969 (3.25" Main)
Harmonic Balancer:
1955-1962, 1963, 1964, 1965, 1966, 1967, 1968-1979
Flywheel:
1955-1957, 1958-1960, 1961-1962, 1963, 1964-1979
Connecting Rods:
1955-1979
Pistons:
Must be the same as bore, stroke, & head series. **455 SD only fits with SD rods !!!
Wrist Pins:
1955-1957, 1958-1962, 1963-1965, 1966-1979
Rings:
Interchangeable within same bore size except 455
Heads:
1955, 1956-1960, 1961-1966, 1967-1979
Rocker Arms:
1955, 1956-1960, 1961-1964, 1963 (421 HO)-1964 (GTO Tripower), 1965, 1966, 1967 (326 only)1967-1979
Pushrods:
1955-1960, 1961-1966, 1967-1976 (except Ram Air IV), ***Match pushrod to year of head
Valve Covers:
1955-1957, 1958-1960, 1961-1962, 1963-1966, 1967-1979
Lifters:
1955, 1956-1979
Camshaft:
1955-1959 except for Ram Air V & 455 Super duty
Intake Manifold:
1955, 1956, 1957-1958, 1959-1960, 1961-1962, 1963-1964, 1965-1971, 1972-1979
Exhaust Manifolds:
1955, 1956, 1957, 1958, 1959-1979 (D-port) 1968-1974 (Round port)
Distributor:
1955-1979 except for Ram Air V & 455 Super duty
Starter:
1955, 1956-1960, 1961-1964 (Fullsize) 1964 (Tempest & Grand Prix)-1979
Timing Cover:
1955-1959, 1960, 1961-1962 (Pontiac 8 & Tempest 4), 1963, 1963 1/2-1965, 1966-1967, 1968, 1969-1979
