1988 PONTIAC FIREBIRD Differential & Rear-End Components

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

Part Number: MGR-R75GRMK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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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Ring and Pinion Gear Installation Kit, Differential Rebuild Master, GM 7.5/7.6 in., Kit

Part Number: NTN-NBRA320MK

5.0 out of 5 stars ( 2 )

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Pinion Bearing Kit, PBK GM 7.50/7.625 in. 1982-1998, Kit

Part Number: MGR-R7-5GRTPK

5.0 out of 5 stars ( 2 )

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Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: MGR-R7-5GR

4.0 out of 5 stars ( 1 )

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Mini Spool, MINI SPOOL GM 7 1/2" 28 SPL

Part Number: RMG-XL-5131

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Jan 8, 2026 if ordered today

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COUPLER

Part Number: PWT-1932504CCN

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Differential Cover, 10-bolt, Steel, Natural, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32331

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-12050

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Spool, SPOOL, GM 7.6 MINI STEEL 28PL

Part Number: RMG-78-7628-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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