1970 PONTIAC FIREBIRD Differential & Rear-End Components

Thrust Washer, Open Differential, GM 8.875 in. Passenger Car, Truck, Each

Part Number: YGA-33380

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Estimated Ship Date: Tomorrow

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: Jan 8, 2026 if ordered today

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

Part Number: RMG-81-1033-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: RMG-16-0090-1

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Estimated Ship Date: Tomorrow

Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit

Part Number: YGA-11066

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC456

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Mini Spool, Steel, 28-Spline, GM, 8.2 in., 10-Bolt, Each

Part Number: MGR-MS10C-28

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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: Jan 9, 2026 if ordered today

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Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

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Estimated Ship Date: Tomorrow

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

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Estimated Ship Date: Dec 29, 2025 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $837.76

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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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: Jan 8, 2026 if ordered today

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Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

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Estimated Ship Date: Tomorrow

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12605

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Differential, No-Slip Traction System, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-92-0782-2805

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $685.62

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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

Part Number: SPZ-39027

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: MGR-R10CRT

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12621

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Ring Gear Bolt, Hex Head, 3/8-24 in. Thread Size, Steel, Natural, GM 8.2 in., Each

Part Number: YGA-33046

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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: Jan 8, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.55 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE

Part Number: YGA-12589

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Estimated Ship Date: Jan 8, 2026 if ordered today

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

Part Number: RMG-81-1030-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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