BUICK SKYLARK Differential & Rear-End Components

Mini Spool, MINI SPOOL GM 7.5" 26 SPL

Part Number: RMG-XL-5130

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Estimated Ship Date: Apr 10, 2026 if ordered today

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

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Differential Ring and Pinion; GM 7.5 - 2.73 Ratio

Part Number: SVL-10004593

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Estimated Ship Date: Apr 6, 2026 if ordered today

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COUPLER

Part Number: PWT-5201001CJR

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Estimated Ship Date: May 11, 2026 if ordered today

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Yukon Bearing install kit for GM 8.875" differential

Part Number: YGA-11073

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: RMG-81-1028-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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SPACER

Part Number: PWT-6241066SEG

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Estimated Ship Date: May 11, 2026 if ordered today

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COUPLER

Part Number: PWT-5201004CJY

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Estimated Ship Date: May 11, 2026 if ordered today

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USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential

Part Number: SPZ-37048

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Estimated Ship Date: Apr 6, 2026 if ordered today

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SLOTTED DRIVER

Part Number: PWT-424003DGE2

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Estimated Ship Date: May 11, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Performance Mini Spool (GM 7.5 - 26 Spine)

Part Number: SDH-10015364

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RET

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Axle Shaft

Part Number: RMG-92-25142

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, GM 8.25 in., Set

Part Number: RNB-697-802

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Yukon Pinion install kit for '81 and older GM 7.5" differential

Part Number: YGA-13063

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Axle Shafts, Direct Fit, New CV Axle Assembly, Steel, Each

Part Number: GNA-NCV10082

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Estimated Ship Date: Apr 6, 2026 if ordered today

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8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-100

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction

Part Number: SVL-10003707

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Apr 27, 2026 if ordered today

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