PONTIAC FIREBIRD Differential & Rear-End Components

Differential Side Bearing Spacer; Solid Differential Spacer; Fits GM 12 Bolt Car

Part Number: RMG-04-0012-1

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

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Axle Assembly, 9 in, Alloy Steel, 1541H Alloy Steel Axles, 31 Spline, Chevy, Pontiac, Each

Part Number: CUR-CE-GMF7081X

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12612

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Estimated Ship Date: Sep 4, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM THIN 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE; 30spl POSI & AK 1563 AXLE BRGS 2.25" OD

Part Number: YGA-12614

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

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Estimated Ship Date: Today

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24480

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Estimated Ship Date: Sep 19, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12630

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10701

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Differential master rebuild kit

Part Number: SKF-SDK321-MK

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10700

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Estimated Ship Date: Sep 4, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

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Estimated Ship Date: Sep 22, 2025 if ordered today

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

Part Number: SPZ-36166

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Estimated Ship Date: Aug 20, 2025 if ordered today

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USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio

Part Number: SPZ-36169

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.90 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI

Part Number: YGA-12580

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Estimated Ship Date: Sep 19, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, Series 2 Carrier, GM 7.5/7.6 in., Set

Part Number: YGA-24479

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 18, 2025 if ordered today

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

Part Number: AUB-545010

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Pinion Bearing Race, Avanti, Buick, Cadillac, Chevy, GMC, Oldsmobile, Dodge, Hummer, Isuzu, Mitsubishi, Each

Part Number: TMK-HM89210

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Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline, GM 7.5/7.6 in., Kit

Part Number: YGA-14078

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Estimated Ship Date: Sep 19, 2025 if ordered today

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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: Sep 5, 2025 if ordered today

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Bearing Race, Steel, Each

Part Number: NTL-M88010

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Estimated Ship Date: Sep 8, 2025 if ordered today

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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

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Estimated Ship Date: Sep 5, 2025 if ordered today

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

Part Number: SPZ-37054

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Estimated Ship Date: Sep 3, 2025 if ordered today

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AXLE SHAFT

Part Number: SDH-2022589-1

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Estimated Ship Date: Sep 18, 2025 if ordered today

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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

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