Set of 16 Elgin Hydraulic Flat Lifters for 1955-90 Buick, Cadillac, GMC, Olds, Pontiac engines per fitment chart. Has diameter of .842":
Oldsmobile Engines
260 CID (4.3L) 1975-1982
307 CID (5.0L) 1980-1985
330 CID (5.4L) 1964-1967
350 CID (5.7L) 1968-1980
400 CID (6.6L) 1965-1969 Except 1966-1967 F85 & 4-4-2
403 CID (6.6L) 1977-1979
425 CID (7.0L) 1965-1967 Except Toronado
455 CID (7.5L) 1968-1976
Pontiac Engines
316 CID (5.2L) 1956
326 CID (5.3L) 1963-1967
347 CID (5.7L) 1957
350 CID (5.7L) 1968-1977 Except 1969-1970 w/Ram Air IV, V, 303
370 CID (6.1L) 1955-1958
389 CID (6.4L) 1959-1966 Except 1963 w/3-2BC
400 CID (6.6L) 1967-1979 Except 1969-1970 Ram Air; Except 1967-1968 HP
421 CID (6.9L) 1963-1966
428 CID (7.0L) 1967-1969
455 CID (7.5L) 1970-1976
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