1973 CHEVROLET CHEVELLE Differential & Rear-End Components

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

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

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Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

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Crush Sleeve Eliminator Kit, Steel Pinion Bearing Spacer, Pinion Shims, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-55045

4.5 out of 5 stars ( 8 )

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Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 29.500 in. Length, GM 8.2/8.5 in., Chevy, Each

Part Number: YGA-21246

5.0 out of 5 stars ( 5 )

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12630

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC410T

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32332

4.86 out of 5 stars ( 7 )

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12607

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Axle Shafts, Direct Fit, 1541H Manganese, 28-Spline, 30.430 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MGR-MG22102

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Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

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Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903061

4.5 out of 5 stars ( 4 )

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Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

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

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

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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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Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12605

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

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Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 4 )

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Differential Cover, 12-bolt, Steel, Chrome, GM 8.875 in. Passenger Car, Each

Part Number: YGA-32011

5.0 out of 5 stars ( 6 )

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Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

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Differential Cover, 12-bolt, Aluminum, Polished, GM 8.875 in. Passenger Car, Each

Part Number: YGA-32101

5.0 out of 5 stars ( 1 )

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Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

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