Timing chain cover seal used in place of the old rope seal.
Outside Diameter: 2.655" (67.437mm)
Shaft Size: 1.937: (49.2mm)
Overall Width: 0.36" (9.144mm)
Housing Bore: 2.65" (67.31mm)
GM #1305044
Used in the following Buick engine sizes:
181 cid(3.0L) 1982-1985
231 cid(3.8L) 1975-1985
264 cid(4.3L) 1954-1955
322 cid(5.3L) 1955-1956
340 cid(5.6L) 1966-1967
364 cid(6.0L) 1957-1961
401 cid(6.6L) 1963-1966
425 cid(7.0L) 1964-1966
430 cid(7.0L) 1967-1969
455 cid(7.5L) 1970-1976