PONTIAC FIREBIRD Differential & Rear-End Components

Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each

Part Number: TMK-HM89449

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit

Part Number: SPZ-39021

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/19/2026

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-430

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900451

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Differential Cover, Rear, 10-bolt, Aluminum, Black Anodized, GM 8.2/8.5/8.6 in., Each

Part Number: BMM-71502

4.52 out of 5 stars ( 21 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Axle, OEM Replacement, 28-Spline, Chevy, Pontiac, Each

Part Number: RNB-630-122

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Axle C-Clip, Steel, Natural, GM 7.5 in., GM 7.6 in., GM 8.0 in., Each

Part Number: YGA-33082

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/19/2026

Ring and Pinion Gear Installation Kit, Differential Rebuild Master, GM 7.5/7.6 in., Kit

Part Number: NTN-NBRA320MK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each

Part Number: SUM-730946

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring and Pinion Installation Kit, Master Kit, Buick, 8.2 in., Kit

Part Number: MGR-R8-5PRMK

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10REMK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, Kit

Part Number: RMG-831044M

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-R7-5GRBSKT

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring And Pinion; 3.70 Ratio

Part Number: MGR-GM9-370

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-37049

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit

Part Number: SVL-2023882

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410OE

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSKT

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping

Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/19/2026

Axle Shaft, Rear, C-clip Type, 28-spline Inner, 32.00 in. Length, Bearing, Seal, Chevy, Pontiac, Kit

Part Number: RNB-630-150

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/19/2026

• Free Shipping