PONTIAC FIREBIRD Differential & Rear-End Components

Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC355

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: MGR-R10CRMK

5.0 out of 5 stars ( 2 )

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Ring and Pinion Gear Installation Assembly, Super Bearing Set - Timken, Rear, 2.25 in. O.D. Axle Bearing, GM, 8.5 in., 10-Bolt, Kit

Part Number: MGR-R10RSKT

4.0 out of 5 stars ( 4 )

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Axle Shaft, 30-Spline, 30.125 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35058

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Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10REMK

4.0 out of 5 stars ( 2 )

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USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2020395

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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Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

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Axle, OEM Replacement, 28-Spline, Chevy, Pontiac, Each

Part Number: RNB-630-122

5.0 out of 5 stars ( 3 )

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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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Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16043

5.0 out of 5 stars ( 5 )

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Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

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

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

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

Part Number: MGR-R75GRSK

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Axle, C-Clip, Rear, 1541H Alloy Steel, 28-spline, Chevy, Pontiac, 8.5 in., Each

Part Number: MSR-A102803-1

5.0 out of 5 stars ( 4 )

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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: Dec 17, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 8.2 in., 10-Bolt, Kit

Part Number: RMG-831022M

4.67 out of 5 stars ( 6 )

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Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

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Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

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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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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 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 )

Estimated Ship Date: Tomorrow

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