PONTIAC FIREBIRD Differential & Rear-End Components

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875456

Not Yet Reviewed

Estimated Ship Date: Jul 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, Auburn, Locker, 30-Spline, GM, 8.875 in., 12-Bolt, Each

Part Number: AUB-545010

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

• Free Shipping
• Special Order

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: Jul 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jul 21, 2025 if ordered today

• Free Shipping
• Special Order

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Jul 25, 2025 if ordered today

• Drop Ship
• Special Order

Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

Not Yet Reviewed

Estimated Ship Date: Today

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Bearing Race, Steel, Each

Part Number: NTL-M88010

Not Yet Reviewed

Estimated Ship Date: Jul 23, 2025 if ordered today

• Special Order

USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.55 ratio

Part Number: SPZ-36166

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• Special Order

Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., 7.625 in., Each

Part Number: RMG-8002701

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Jul 22, 2025 if ordered today

• Special Order

Dura Grip Positraction Carrier, Traction-Loc, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each

Part Number: YGA-26012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
• Special Order

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each

Part Number: PWT-LS231230

Not Yet Reviewed

Estimated Ship Date: Jul 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-138

Not Yet Reviewed

Estimated Ship Date: Jul 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Shaft, Rear, 1541H Alloy, 28 Spline, 32.00 in. Length, GM 7.625 in., Chevy, Pontiac, Each

Part Number: YGA-21624

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Aug 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Clutch Guide, Dura Grip, Chrysler 9.25 in., GM 8.5 in., 8.6 in., 8.875 in., Each

Part Number: YGA-33352

Not Yet Reviewed

Estimated Ship Date: Today

BEARING AND SEAL KIT

Part Number: TMK-DRK321MK

Not Yet Reviewed

Estimated Ship Date: Jul 25, 2025 if ordered today

• Free Shipping
• Special Order

Differential, No-Slip Traction System, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-92-0775-2605

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

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: Jul 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle 7.625" GM REAR, 98-02 CAMARO, 32", 28spl, w/ ELECTRONIC TRAC CONTRL

Part Number: SPZ-11960

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Install Kit

Part Number: RMG-83-1083-1

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Kit

Part Number: RMG-XL-1044-1

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: SVL-10020478

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Special Order