Connecting Rod Bearings Selection Specifications

WARNING: This page is about a different variant/trim than selected.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Bearing Grade Specification
2	Connecting Rod Bore Specification

Connecting Rod Large End Bore Diameter	Bearing	Crankshaft Pin Diameter
		4	3	2	1
		53.929 - 53.936	53.936 - 53.942	53.942 - 53.948	53.948 - 53.955
		Use This Bearing Color
1 57.563 - 57.568	Upper Bearing	Blue	Blue	Red	Red
1 57.563 - 57.568	Lower Bearing	Yellow	Blue	Blue	Red
2 57.568 - 57.573	Upper Bearing	Yellow	Blue	Blue	Red
2 57.568 - 57.573	Lower Bearing	Yellow	Yellow	Blue	Blue
3 57.573 - 57.578	Upper Bearing	Yellow	Yellow	Blue	Blue
3 57.573 - 57.578	Lower Bearing	Green	Yellow	Yellow	Blue
4 57.578 - 57.583	Upper Bearing	Green	Yellow	Yellow	Blue
4 57.578 - 57.583	Lower Bearing	Green	Green	Yellow	Yellow