Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save Now on Select Lighting Products!

Availability

EATON

Eaton Posi Performance Differentials

4.68 out of 5 stars 104 Customer Reviews

Big torque doesn't have to mean big traction problems. Eaton Posi Performance differentials combine carbon friction discs with precision-forged gears to give you great traction, even under higher torque loads. Plus, the carbon friction discs produce smooth, quiet performance for the life of your vehicle.

Showing In Stock Items. Show All 5 Items.

Results 1 - 5 of 5

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19554-010

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19554-010

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19554-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each

Part Number: ETN-19554-010

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Eaton Posi Performance 28 Spline Differential GM 8.2 Inch 19603-010

Eaton Posi Performance 28 Spline Differential GM 8.2 Inch 19603-010

Eaton Posi Performance 28 Spline Differential GM 8.2 Inch 19603-010

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.2 in., Each

Part Number: ETN-19603-010

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19555-010

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19555-010

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19555-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 4 Series, Each

Part Number: ETN-19555-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Eaton Posi Performance 28 Spline Differential GM 8.5 Inch 19557-010

Eaton Posi Performance 28 Spline Differential GM 8.5 Inch 19557-010

Eaton Posi Performance 28 Spline Differential GM 8.5 Inch 19557-010

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Eaton Posi Performance 17 Spline Differential GM 55P (8.2 Inch Drop out) 19686-010

Eaton Posi Performance 17 Spline Differential GM 55P (8.2 Inch Drop out) 19686-010

Eaton Posi Performance 17 Spline Differential GM 55P (8.2 Inch Drop out) 19686-010

Differential, Posi Performance, Limited Slip, 17-Spline, GM, 8.2 in., Each

Part Number: ETN-19686-010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify