BUICK SKYLARK Differential & Rear-End Components

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

Part Number: MGR-GM75-410

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.125 in. Length, Each

Part Number: MGR-MG1015

2.5 out of 5 stars ( 2 )

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Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: SVL-2023698

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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, Master Kit, Buick, 8.2 in., Kit

Part Number: MGR-R8-5PRMK

3.67 out of 5 stars ( 3 )

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Jan 6, 2026 if ordered today

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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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AXLE SHAFT - GM 8.875 AXLE 12 BOLT CAR

Part Number: SDH-2022626-2

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Estimated Ship Date: Jan 19, 2026 if ordered today

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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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Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSKT

4.5 out of 5 stars ( 14 )

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Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 1977-1981, 27-Spline Pinion, Kit

Part Number: RMG-8310161

2.0 out of 5 stars ( 1 )

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Ring and Pinion

Part Number: MGR-GM75-323

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Spider Gear Kits, Open Differential, GM 7.5/7.625 in., 26 Spline, Kit

Part Number: MGR-GM7-5BI

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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 19, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, Rear, Open, 28-spline, 10-bolt, GM 8.5 in., Kit

Part Number: SVL-10020477

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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