1977 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

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM8.5

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Yukon Gear & Axle Grizzly Lockers GM 10.5 Inch (14-bolt) YGLGM14T-30

Grizzly Locker, GM 10.5 in., 30 Spline, Each

Part Number: YGA-28015

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moser Engineering Replacement C-Clip Axles A102802

Axles, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, 8.2, 8.5 in., Pair

Part Number: MSR-A102802

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 44 YDGD44-4-30-1

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Dana 44, Dana 44 IFS, Each

Part Number: YGA-26027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Summit Racing™ Positraction 30 Spline Differential Carriers GM 10.5 Inch (14-bolt) SUM-730987

Differential Carrier, Positraction, 30-spline, Steel, Rear, Chevy, GMC, GM 10.5 in. 14-bolt, Each

Part Number: SUM-730987

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5 Inch, Corvette YDGGMVET-3-17-1

Differential Carrier, Dura Grip Positraction, Clutch-type, 17-spline, Rear, GM 8.5 in. Corvette, Chevy, Each

Part Number: YGA-26023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moser Engineering Replacement C-Clip Axles A102803

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, 8.5 in.,Pair

Part Number: MSR-A102803

4.77 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Motive Gear Ring and Pinion Sets D44-373 Dana 44 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Timken Differential Bearings SET36

Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear Complete Ring and Pinion Installation Kits 83-1034-1

Ring and Pinion Installation Kit, Dana 60, 10-Bolt, 29-Spline Pinion, Kit

Part Number: RMG-8310341

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Motive Gear Master Ring and Pinion Installation Kits R10RMKT

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

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Yukon Gear & Axle 1541H Alloy Axles YA G14071751

Axle Shaft, Rear, C-Clip, 1541H Alloy, 30 Spline, 31.438 in. Length, GM 8.875 in., Chevy/GMC Pickup/SUV, Each

Part Number: YGA-21257

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0013-1 Dana 60 5.38 Gears

Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Set

Part Number: RMG-7900131

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Summit Racing™ Positraction 30 Spline Differential Carriers Dana 60/61 SUM-730975

Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 30 Spline, 3 Series, Each

Part Number: SUM-730975

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Eaton Posi Performance 17 Spline Differential GM 8.5 Inch, Corvette 19670-010

Differential, Posi Performance, Limited Slip, 17-Spline, Chevy, 8.5 in., Each

Part Number: ETN-19670-010

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear EXCel Ring and Pinion Sets 12BT308 GM 8.875 in. (12-bolt) truck 3.08 Gears

Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

B&M 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover 71502

Differential Cover, Rear, 10-bolt, Aluminum, Black Anodized, GM 8.2/8.5/8.6 in., Each

Part Number: BMM-71502

4.52 out of 5 stars ( 21 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear EXCel Ring and Pinion Sets 12BT342 GM 8.875 in. (12-bolt) truck 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT342

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Powertrax Lock-Right Lockers GM 8.5 Inch 1920-LR

Differential, Lock-Right, Locker, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-1920-LR

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear Ring and Pinion Sets 49-0034-1 GM 8.5/8.6 in. 3.90 Gears

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 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Richmond Gear EXCel Ring and Pinion Sets GM75390 GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Spicer Drivetrain Products Ring and Pinion Gears 76047X Dana 60 4.10 Gears

Ring and Pinion Gears, 4.10:1 Ratio, 29-spline, Standard Rotation, Dana 60, Set

Part Number: SDH-76047X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Motive Gear Performance Ring and Pinion Sets G885373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt), truck 19556-010

Differential, Posi Performance, Limited Slip, 30-Spline, 12-Bolt, 4 Series, Chevy, GMC, Truck, Each

Part Number: ETN-19556-010

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 546032

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025