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

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-LRG

Pin and Spring Kit, Differential Carrier Replacement Component, Rear, Dana 60, Kit

Part Number: SPZ-17010

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets D70456 Dana 70 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-D70456

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM12T-456T GM 8.875 in. (12-bolt) truck 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in. Truck, Set

Part Number: YGA-24461

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA D29833-1X

Axle Shaft, 30-Spline, 28.400 in. Length, Front, Complete, GM, Each

Part Number: YGA-21061

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles for 1976-1979 CJ7 - YA H22L

Yukon 1541H alloy left hand rear axle for Model 20 (Quadratrack set)

Part Number: YGA-21296

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM8.5-30

Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Dana Spicer Drivetrain Products Pinion Supports 10029033

DIFFERENTIAL PINION SUPPORT; NODULAR IRON; 5-BOLT STOCK BEARING

Part Number: SDH-10029033

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKF9-P-31-4

Spider Gears, Side Gears, Cross Shaft Pin, 31 Spline, Trak-Lok, Rear, Ford 8.8 in., Ford 9 in., Kit

Part Number: YGA-16026

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

ARB Air Locker 29 Spline Differential AMC Model 20 RD186

Differential Carrier, Air Locker, Nodular Iron, Rear, AMC Model 20, Kit

Part Number: ARB-RD186

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Yukon Gear & Axle Pinion Kits PK D44

Ring and Pinion Gear Installation Kit, Pinion Installation Kit, 26 Spline, Dana 44, Kit

Part Number: YGA-13020

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-045

14T 10.5" GM S/G T/W

Part Number: YGA-33383

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPBF-004

Dana 70 & 70HD oil baffle

Part Number: YGA-33003

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK F9-HDC

USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37038

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Dana Spicer Drivetrain Products - Differential Carrier Rebuild Kits and Spider Gears for 1978-1983 CJ5, 1978-1986 CJ7, 1981-1985 SCRAMBLER - 706010X

Differential Inner Gear Kit Axle: Dana 30 Differential Type: Open 78-86 Jeep Cj5/Cj7/Cj8

Part Number: SDH-706010X

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKF9-SG-03

Side gear with hub for 8" and 9" Ford with 28 splines.

Part Number: YGA-16163

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA BFF35-40-ND

Axle Shaft, 35-Spline, 40 in. Length, Rear, Dana 60, Chevy, GMC, Jeep, Plymouth, Each

Part Number: YGA-21005

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630140

Axle 8.2" & 8.5" GM REAR, '65-'79 PASSSHAFT, 29-1/2", 2.780" SMALL HUB, 28spl, 1 SIDE

Part Number: SPZ-11950

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles for 1974-1979 WAGONEER - YA W24148

Axle Shafts, 4340 Chromoly, Inner/Outer/U-Joints, 30-Spline, Dana 44, Jeep, Kit

Part Number: YGA-21340

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits YK M35-30

Installation Kit, Master Overhaul, AMC Model 35, Kit

Part Number: YGA-14110

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

USA Standard Gear Axle Shafts for 1974-1979 WAGONEER - ZA W24148

USA Standard 4340 Chrome-Moly replacement axle kit for '74-'79 Jeep Wagoneer, Dana 44 w/Disc Brakes, w/Super J

Part Number: SPZ-35140

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 10002218

Performance Spool Ford 9" 40 Spline (Lightweight Design)

Part Number: SDH-10002218

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG GM14T-513T GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36187

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG C8.25-307 Chrysler 8.25 in. 3.07 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion gear set for Chrysler 8.25" in a 3.07 ratio

Part Number: SPZ-36350

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Spicer Drivetrain Products Performance Full Spools 2022498

Performance Spool Gm 10.5" 14 Bolt 30 Spline (4.10 And Down)

Part Number: SDH-2022498

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today