1975 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Motive Gear Basic Ring and Pinion Gear Installation Kits R12R

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

Part Number: MGR-R12R

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Powertrax No-Slip Traction Systems AMC Model 20 9201202900

Differential, No-Slip Traction System, 29-Spline, AMC Model 20, Each

Part Number: PWT-92-0120-2900

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Pinion Installation Kits PK GM12T

Yukon Pinion install kit for GM 12 bolt truck differential

Part Number: YGA-13057

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Moser Engineering C-Clip Axles A123003-1

Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, 8.875 in, Each

Part Number: MSR-A123003-1

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Differential Crush Sleeves for 1966-1979 CORVETTE - YSPCS-023

Crush Sleeve, Fine Spline, Steel, Approximately 2.450 in. Length, GM 8.5 in. Each

Part Number: YGA-33106

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Bearing Kits BK C8.25-A

Yukon Bearing install kit for '75 and older Chrysler 8.25" differential

Part Number: YGA-11003

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Pinion Shims SK F9

Pinion Shims, Steel, Kit

Part Number: YGA-55056

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

National Bearing Differential Bearings LM501349

Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG D60-430 Dana 60 4.30 Gears

Ring and Pinion Gears, 4.30:1 Ratio, 29-spline, Standard Rotation, Dana 60, Set

Part Number: YGA-24305

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Crown Automotive Spider Gear Kits 26019852

Spider Gears, Side Gears, Cross Shaft Pin, Cross Shaft Pin Bolt, 28 Spline, Open, Rear, GM 8.5 in., Kit

Part Number: CWA-26019852

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts MG1775

Axle, Direct Fit, Rear, 1541 Carbon Steel, 30-Spline, Chevrolet, GMC, Each

Part Number: MGR-MG1775

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Yukon Gear & Axle Axle Assemblies for 1974-1979 J10 - YA W38823

Inner Axle, Dana 44, 16.5 in. Left, 30 spline, 4340 Chromoly, Uses 5-760X U-Joint, Each

Part Number: YGA-21675

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Dorman Differential Carrier Clutches 697-782

Differential Clutch Kit

Part Number: RNB-697-782

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

SVL Drivetrain Spider Gear Kits 2023888

Differential Inner Gear Kit; Ford 9 - 28 Spline, Positraction

Part Number: SVL-2023888

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Motive Gear AX Series Lightweight Performance Ring and Pinion Sets F890614AX Ford 9 in. 6.14 Gears

Gear, Ring and Pinion, 6.14:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890614AX

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Spicer Drivetrain Products Differential Rebuild Components 30275

Pinion Thrust Washer, 1.500 in. Outside Diameter, 0.898 in. Inside Diameter, Each

Part Number: SDH-30275

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Alloy USA Differential Master Overhaul Kits 352011

Ring and Pinion Gear Installation Kit, Ford 9 in., 28-Spline Pinion, Kit

Part Number: ALY-352011

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Crown Automotive Differential Cover Bolts J0273573

Spool, Mini, Steel, 28-Spline, 10-Bolt, Ford 8 in., 9 in., Each

Part Number: MGR-MS9-28-4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Mini Spools MS9-28

4.75 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026

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Spicer Drivetrain Products Genuine OE 10 Bolt Dana 70 Differential Cover 42815-2

Differential Cover, OE, Steel, Natural, Dana 70, Each

Part Number: SDH-42815-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Spicer Drivetrain Products Performance Full Spools 2023545

Spool, Performance, Full, Steel, 30-spline, Dana 60, Each

Part Number: SDH-2023545

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today