1987 PONTIAC FIREBIRD Differential & Rear-End Components

Differential Cover, Aluminum, Black, Perfect Launch Logo, GM, 7.50 in., 10-Bolt, Each

Part Number: PRO-66667

4.58 out of 5 stars ( 33 )

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Ring and Pinion Gears, GM 7.5/7.625 in., 4.10:1 Ratio, 27-spline, Standard Rotation, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Set

Part Number: MGR-GM7-5-410A

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

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Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit

Part Number: YGA-57008

4.75 out of 5 stars ( 4 )

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Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 27-Spline Pinion, Kit

Part Number: RMG-8310441

4.53 out of 5 stars ( 17 )

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

Part Number: RNB-697-714

3.0 out of 5 stars ( 1 )

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Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: MGR-MS75-26

4.8 out of 5 stars ( 25 )

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Gear, Ring and Pinion, 2.73:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-713

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

Part Number: YGA-14077

5.0 out of 5 stars ( 1 )

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

Part Number: SPZ-37049

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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 )

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

Part Number: MGR-R75GRSK

5.0 out of 5 stars ( 1 )

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

Part Number: RNB-697-719

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

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Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each

Part Number: RMG-78-7528-1

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Axle Shaft, C-Clip, 26-spline, 1541H Alloy Steel, Rear, GM 7.5 in., GM 7.625 in., Chevy, Pontiac, Each

Part Number: MSR-A102604-1

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

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

Part Number: MGR-R75GRSKT

4.4 out of 5 stars ( 5 )

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Ring and Pinion

Part Number: MGR-GM75-323

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Ring and Pinion Installation Kit, Master Kit, GM 7.5 in., 7.625 in., Kit

Part Number: MGR-R75GRMKT

4.0 out of 5 stars ( 2 )

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Differential Clutch, Dura-Grip Composite Clutch Pack, Rear, GM, 7.5/7.625 in., Set

Part Number: YGA-16119

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, C-Clip, 28-spline, 1541H Alloy Steel, Rear, GM 7.5 in., GM 7.625 in., Chevy, Pontiac, Each

Part Number: MSR-A102804-1

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Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today