$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details!

PONTIAC FIREBIRD Differential & Rear-End Components

Individual Parts

Results 126 - 150 of 290

Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

USA Standard Master Overhaul kit GM 7.5 in./7.625 in, Rear, Kit

Part Number: SPZ-37049

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit

Part Number: SPZ-37054

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-16117

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

Not Yet Reviewed

Estimated Ship Date: May 19, 2025 if ordered today

...Loading

Estimated Ship Date: May 19, 2025 if ordered today

Gear, Ring and Pinion, 3.42:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-136

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 30.125 in. Length, GM 8.2/8.5 in., Chevy, Each

Part Number: YGA-21244

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 5, 2025 if ordered today

Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Mini spool for GM 12 bolt with 30 spline axles

Part Number: YGA-32227

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 27-spline, Standard Gear Rotation, GM, 7.5 in., Set

Part Number: SPZ-36199

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.313 in. Length, Each

Part Number: MGR-MG1020

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

Spider Gear Kit, Open Differential, G7.625 in., 28 Spline, Kit

Part Number: YGA-16049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Axle Shaft, 28-Spline, 30.125 in. Length, Chevy, Each

Part Number: YGA-21242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 6, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 6, 2025 if ordered today

BEARING AND SEAL KIT

Part Number: TMK-DRK321MK

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

Ring and Pinion Gears, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: ALY-GM10308

Not Yet Reviewed

Estimated Ship Date: May 15, 2025 if ordered today

...Loading

Estimated Ship Date: May 15, 2025 if ordered today

Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1030-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC410T

Not Yet Reviewed

Estimated Ship Date: May 23, 2025 if ordered today

...Loading

Estimated Ship Date: May 23, 2025 if ordered today

Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set

Part Number: RMG-GM82411

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

...Loading

Estimated Ship Date: May 22, 2025 if ordered today

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: May 21, 2025 if ordered today

...Loading

Estimated Ship Date: May 21, 2025 if ordered today

Ring and Pinion Installation Kit, Basic, GM 8.2 in. BOP Axle, Rear, Kit

Part Number: MGR-R8-5PRT

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

Not Yet Reviewed

Estimated Ship Date: May 19, 2025 if ordered today

...Loading

Estimated Ship Date: May 19, 2025 if ordered today

Modal Header

Call To Order

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