PONTIAC FIREBIRD Differential & Rear-End Components

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 )

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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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Differential, Eaton Detroit Truetrac, 33-Spline, GM 8.875 in., Each

Part Number: ETN-914A576

3.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 12 )

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

Part Number: MGR-R7-5GRLMKT

3.57 out of 5 stars ( 14 )

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Axle Shaft, OEM Replacement, 28-Spline, 30.125 in. Length, Chevy, GMC, Pontiac, 8.5 in., Rear, Each

Part Number: RMG-92-25114

4.86 out of 5 stars ( 7 )

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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 )

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Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMKT

3.67 out of 5 stars ( 12 )

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0072-1

4.67 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888342

5.0 out of 5 stars ( 2 )

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Ring and Pinion Gears, 3.31:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Passenger Car, Set

Part Number: YGA-24571

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 9, 2025 if ordered today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, Pontiac, 7.5 in., Pair

Part Number: MSR-A102805

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Jun 13, 2025 if ordered today

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set

Part Number: YGA-24121

1.0 out of 5 stars ( 1 )

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Spool, Mini, Steel, 28-Spline, GM 7.625 in., Each

Part Number: MGR-MS75-28

4.15 out of 5 stars ( 20 )

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Axle Assemblies, Ford 9 in., Natural, 54.75 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169681

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 23, 2025 if ordered today

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

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

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Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30-Spline, GM 8.5/8.6 in., Set

Part Number: YGA-24158

4.1 out of 5 stars ( 10 )

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Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

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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 )

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Ring and Pinion Installation Kit, Master Kit, GM 8.2 in., Chevy, Kit

Part Number: MGR-R10CRMKT

4.86 out of 5 stars ( 7 )

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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