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 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

SVL Drivetrain Ring and Pinion Gear Sets 2020484 Dana 35 4.88 Gears

Ring & Pinion Gear Set Dana 35 / 4.88 Ratio

Part Number: SVL-2020484

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 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

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

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

Yukon Gear & Axle Ring and Pinion Sets YG D44-513T Dana 44 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, Dana 44, Set

Part Number: YGA-24043

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

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 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

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-F9-L

Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each

Part Number: SPZ-17021

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

Dorman Ring and Pinion Gear Installation Kits 797-117

Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-117

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10046204

STANDARD AXLE DIFFERENTIAL BEARING & SEAL KIT - FORD 9in.; 35 SPLINE OVERSIZE

Part Number: SDH-10046204

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 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 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 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

Yukon Gear & Axle Axle Drive Flanges YHCDF-30-A

Yukon HARDCORE DRIVE FLANGE, 30 Spline inner, 48 spline outer

Part Number: YGA-29075

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

Yukon Gear & Axle Pinion Supports YP F9PS-1-CLEAR

Differential Pinion Support, Aluminum, Daytona Style, Ford, 9 in., Each

Part Number: YGA-32037

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

Yukon Gear & Axle Differential Cross Shafts YSPXP-016

M35 T/L X/PIN SHAFT, BOLT DESIGN, 0.716" DIA

Part Number: YGA-33321

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

Yukon Gear & Axle 4340 Chromoly Axles for 1971-1980 SCOUT II - YA W24128

Yukon front 4340 Chromoly axle kit for '71-'80 Dana 44 Scout with 27/30 splines

Part Number: YGA-21330

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-620 Ford 9 in. 6.20 Gears

USA standard ring & pinion gear set for Ford 9" in a 6.020 ratio.

Part Number: SPZ-36151

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

Auburn Gear Differential Spring Retainer Service Kits for 1963-1979 CORVETTE - 541035

Auburn Gear Differential Spring Retainer Service Kits for 1963-1979 CORVETTE - 541035

Differential Carrier Replacement Parts, Pin and Spring Kit, GM 8.2 in., GM 8.2 in. BOP Axle, Rear, Kit

Part Number: AUB-541035

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

Auburn Gear Grip-N-Loc 28 Spline Differential Ford 7.5 Inch 546023

Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Ford, 7.5 in., Each

Part Number: AUB-546023

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

Auburn Gear Select-A-Loc 30 Spline Differential Dana 44 545042

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

Part Number: AUB-545042

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 Grizzly Lockers Dana 60 YGLD60-4-30

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Dana 60, for 4.56 Ratio and Up, Each

Part Number: YGA-28004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG F7.5-308 Ford 7.5 in. 3.08 Gears

USA Standard Ring & Pinion gear set for Ford 7.5" in a 3.08 ratio

Part Number: SPZ-36113

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