1978 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 10 Bolt Ford 8.8 Inch Differential Cover YP C5-F8.8-S

Differential Cover, 10-bolt, Steel, Natural, Ford 8.8 in., Each

Part Number: YGA-32328

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Timken Pinion Bearings R1535TAV

Bearing, Pinion, 1.850 in. Outside Diameter, Each

Part Number: TMK-R1535TAV

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle Ring and Pinion Sets YG GMVET-373 Corvette C2/C3 3.73 Gears

Ring & Pinion Gear, 3.73 Ratio, GM 8.20 in., Corvette, Set

Part Number: YGA-24174

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

USA Standard Gear Axle Shafts ZA G14071750

Axle Shaft, 30-Spline, 31.438 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35053

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

DRP Performance Ultra Low Drag Hub Seals for 1974-1978 MUSTANG II, 1971-1980 PINTO - 007 10572

Wheel Bearing Seal, Ultra Low Drag Hub Seals, 1.928 in. I.D., 2.509 in. O.D., 0.251 in. Width, Fits Mustang II Front, PTFE Lip, Each

Part Number: DPR-00710572

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Ring Gear Bolts D8OZ4216A

Ring Gear Bolt, Hex, 7/16-20 in. Thread Size, 1.25 in. Long, Steel, Zinc, Each

Part Number: MGR-D8OZ4216A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle Differential Pinion Nuts YSPPN-020

Pinion Nut, Steel, 3/4 in.-20 Thread, Each

Part Number: YGA-33154

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ARB Air Locker 31 Spline Differential Ford 9 Inch RD119

Differential Carrier, Air Locker, Nodular Iron, Rear, Ford 9 in., Kit

Part Number: ARB-RD119

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 2, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts GM10FAXR

Axle Shaft, OEM Replacement, Front Inner and Outer, Passenger Side, 1541H Manganese, 28/19-spline, 29.090 in. Length, GMC, Kit

Part Number: MGR-GM10FAXR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Crown Automotive Direct-Fit Axle Shaft Assemblies for 1977-1983 CJ5, 1977-1981 CJ7, 1981 SCRAMBLER - J8127598

Axle Shaft Assembly, Front Inner and Outer, Passenger Side, Steel, AMC Model 20, Jeep, Each

Part Number: CWA-J8127598

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle 1541H Alloy Axles for 1976-1983 CJ5, 1976-1981 CJ7 - YCJS

Axle Shafts, Rear, 29-spline Inner, Bolt-in, 1541H Alloy Steel, Bearings, AMC Model 20, Jeep, 4WD, Kit

Part Number: YGA-21393

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 69-0171-1 GM 8.5/8.6 in. 5.13 Gears

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle Locking Hubs YHC70006

Locking Hubs, Aluminum, 19-spline, Dana 44, Chevy, Ford, GMC, Set

Part Number: YGA-29095

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Auburn Gear Select-A-Loc 30 Spline Differential Dana 44 545019

Auburn Gear Select-A-Loc 30 Spline Differential Dana 44 545019

Differential, Select-A-Loc, 30-Spline, Dana 44, 10-Bolt, Each

Part Number: AUB-545019

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARB Air Locker 30 Spline Differential Dana 44 RD116

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25155

Axle Shaft, OEM Replacement, 30-Spline, 31.281 in. Length, Chevy, GMC, 8.875 in., Rear, Each

Part Number: RMG-92-25155

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Complete Ring and Pinion Installation Kits 83-1014-1

Ring and Pinion Installation Kit, Complete, Ford 8 in., Rear, Kit

Part Number: RMG-83-1014-1

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 16, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020880 Dana 60 4.09 Gears

Ring and Pinion Gears, Dana 60, 4.09:1 Ratio, 29-spline, Standard Rotation, Dana 60, Set

Part Number: SVL-2020880

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 10, 2026 if ordered today

Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 25127-5X Dana 60 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 29-spline, Standard Rotation, Installation Kit, Dana 60, Kit

Part Number: SDH-25127-5X

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles YA W24152

Yukon front 4340 Chromoly axle kit for '69-'80 GM truck and Blazer

Part Number: YGA-21414

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-14

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM12-P-30

Spider Gears, Side Gears, Cross Shaft Pin, Yukon Dura Grip Carrier Style, Rear, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16039

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2019331 GM 7.5/7.6 in. 3.08 Gears

Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2019331

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 10, 2026 if ordered today

Yukon Gear & Axle 31 Spline Differential Carriers Ford 8.8 Inch YC F3180-S

Differential Carrier, Open, Ford 8.8 in., 31 Spline, Complete w/Spider Gears, Each

Part Number: YGA-20070

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Positraction 28 Spline Differential Carriers Ford 8.8 Inch SUM-730942

Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 28 Spline, Each

Part Number: SUM-730942

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

SVL Drivetrain Ring and Pinion Gear Sets 2021412 Dana 60 3.73 Gears

Ring & Pinion Gear Set Dana 60 / 3.73 Ratio

Part Number: SVL-2021412

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 9, 2026 if ordered today