Main Bearing Set 4 – .50mm / 0.020″ undersize – 4M1690P-20

Description

1975-77 231ci 3.8L & 1988-90 231ci 3800 Type C and 1964-67 225 engines only

Specification:

Grade Type ACL OEM Replacement
Max Wall 2.377
Max Wall 0.0936
Outside Diameter 68.275
Outside Diameter 2.6870
Outside Diameter 2.6880
Outside Diameter 68.250
Shaft Diameter 62.970
Shaft Diameter 2.4788
Shaft Diameter 2.4798
Shaft Diameter 62.995
Width 0.869
Width 22.07

Additional information

Weight 0.382 lbs
Dimensions 7.28 × 3.94 × 1.38 in
Part Type

Engine Crankshaft Main Bearing Set

Make Model Year
Buick Regal 1975 - 1977
Buick Riviera 1988 - 1990
Buick Skylark 1978 - 1979
Jeep Jeepster 1966 - 1967