1985 CHEVROLET Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Currie 9 in. Crate Rear End Assemblies CR-GG135TNBB

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG135TNBB

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG137TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG137TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10043640

Standard Differential Bearing Kit; Dana 70

Part Number: SDH-10043640

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Pinion Bearing Spacers and Sleeves 43916

Differential Pinion Bearing Collapsible Spacer

Part Number: SDH-43916

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Covers 706059X

Differential Cover Axle: Dana 70 Steel 1979-1981 P300, C30

Part Number: SDH-706059X

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

SVL Drivetrain Products Ring and Pinion Gears 10004593

Differential Ring and Pinion; GM 7.5 - 2.73 Ratio

Part Number: SVL-10004593

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

SVL Drivetrain Products Ring and Pinion Gears 10005314

Differential Ring and Pinion; Dana 44 (216 MM) - 4.88 Ratio

Part Number: SVL-10005314

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

Dana Spicer Drivetrain Products Differential Carrier Replacement Parts 30263

Carrier Case Cross Shaft (std) - Dana 60/61

Part Number: SDH-30263

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 60/Super 60 YDGD60-4-35

Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Dana 60, Dana 61, Dana Super 60, Each

Part Number: YGA-26042

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG D60-717 Dana 60 7.17 Gears

Ring & Pinion Gear, 7.17 Ratio, Dana 60, Set

Part Number: YGA-24308

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears 12888

D70HD 35spl 4.10 & DOWN DURAGRIP POSITRACTION

Part Number: YGA-12888

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG D44HD-373 Dana 44-HD 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, Standard Gear Rotation, Designed for Dana 44-HD Applications, Set

Part Number: YGA-24049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle 32/35 Spline Differential Carrier Cases Dana 70/70-U YC D707125

Yukon standard open carrier case, Dana 70, 4.56 & up

Part Number: YGA-20044

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Yukon Gear & Axle 30 Spline Differential Carriers Dana 44 YC D707382

Differential Carrier, Open Differential Style, 30-spline, Steel, Rear, Dana 44, Jeep, Each

Part Number: YGA-20055

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ARB Air Locker 35 Spline Differential Dana 70-HD/70-U/80 RD173

Differential Carrier, Air Locker, Nodular Iron, Rear, Dana 70-HD, Dana 70-U, Dana 80, Kit

Part Number: ARB-RD173

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Richmond Gear Full Spools 81-1028-1

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: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Richmond Gear Spool Bearings 29-0013-1

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

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Powertrax Cross Shaft Pins 3991005RDG

CROSS SHAFT

Part Number: PWT-3991005RDG

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Powertrax Replacement Couplers 5201004CJY

COUPLER

Part Number: PWT-5201004CJY

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Powertrax Replacement Couplers 5201007CJU

COUPLER

Part Number: PWT-5201007CJU

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1038421PAB

Pin, PIN, STOP, PAB, 1038-421

Part Number: PWT-1038421PAB

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1038461ZAG

Spring, SPRING, OUTER, ZAG, 1038-461

Part Number: PWT-1038461ZAG

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Alloy USA Differential Master Overhaul Kits 352021

Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARB Air Locker 30 Spline Differential GM 8.5 Inch RD222

Differential Carrier, Air Locker, Nodular Iron, Rear, GM 8.5 in., Kit

Part Number: ARB-RD222

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today