1972 BUICK SKYLARK Differential & Rear-End Components

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93

Part Number: RMG-XL-5640

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.42 Ratio

Part Number: SVL-2020642

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

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Clutch Guide, Dura Grip, Chrysler 9.25 in., GM 8.5 in., 8.6 in., 8.875 in., Each

Part Number: YGA-33352

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

Part Number: RMG-81-1028-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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MASTER SHIM KIT GM12 BOLT CAR

Part Number: MGR-GM12MCSK

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Overhaul, GM, 8.2 in., Kit

Part Number: YGA-13068

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Axle Shaft Retainer

Part Number: MGR-3833322

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: YGA-13069

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Estimated Ship Date: Dec 26, 2025 if ordered today

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

Part Number: YGA-20084

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

Part Number: SPZ-58011

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

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Estimated Ship Date: Dec 15, 2025 if ordered today

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RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Thrust Washer, Open Differential, GM 8.5 in., Each

Part Number: YGA-33304

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier Rebuild Kit, GM 8.5, 28 Spline, Rear, Open Carrier, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SVL-10028814

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Differential, Select-A-Loc, 28-Spline, GM, 8.5 in., 10-Bolt, Each

Part Number: AUB-545003

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Differential Ring And Pinion Set

Part Number: RNB-697-300

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Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RNB-697-100

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Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12620

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12623

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12624

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Estimated Ship Date: Dec 26, 2025 if ordered today

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