11"

10 Holes, Irregular

 

Applications: All GM products with

8.5” & 8.6” ring gear
Ratios: 2.73:1 & Up
Side Gear Spline: 28 Teeth

Model Years: 1971-1988

542018, Bearing Cone: LM501349

Bearing Cup: LM501314

542050, Bearing Cone: LM102949

Bearing Cup: LM102911

Special Note: Bearings provided with 542050, Pro Series Unit

 

 

  

 

Applications: All GM products with

8.5” & 8.6” ring gear
Ratios: 2.73:1 & Up
Side Gear Spline: 30 Teeth

Model Years: 1989-1998

542022, Bearing Cone: LM501349

Bearing Cup: LM501314

542052, Bearing Cone: LM102949

Bearing Cup: LM102911

Special Note: Bearings provided with 542052, Pro Series Unit

 

 

10 5/8"

10 Holes, Irregular

Applications: All GM products with

8.5” & 8.6” ring gear.
Ratios: 2.73:1 & Up
Side Gear Spline: 30 Teeth

Model Years: 1999 - Present

542097, Bearing Cone: LM603049

Bearing Cup: LM603012

542052, Bearing Cone: LM603049

Bearing Cup: LM603012

Special Note: Bearings provided in 542052, however if vehicle is 99 model year or newer, bearings will not be used. Use bearings specified above.

 

 

11"

10 Holes, Irregular

Applications: All GM products with

8.5” & 8.6” ring gear
Ratios: 2.73:1 & Up
Side Gear Spline: 28 Teeth

Model Years: 1971-1988
Bearing Cone: LM102949

Bearing Cup: LM102911

 

 

 

 

10 5/8"

10 Holes, Irregular

Applications: All GM products with

8.5” & 8.6” ring gear
Ratios: 2.73:1 & Up
Side Gear Spline: 30 Teeth

Model Years: 1989-Present

1989 to 1998, Bearing Cone: LM102949 Bearing Cup: LM102911

1999 to Present, Bearing Cone: LM603049 Bearing Cup: LM603012