1974 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

EATON Differential Carriers 187C172A

Differential, Eaton Detroit Locker, 31-Spline, Chrysler, 9.25 in., Each

Part Number: ETN-187C172A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YP C2-GM14T

Differential Cover, 14-bolt, Aluminum, Polished, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32028

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles for 1972-1981 CJ5, 1976-1981 CJ7 - YA W24106

Yukon front 4340 Chromoly axle kit for '72-'81 Dana 30 Jeep CJ with 27 splines

Part Number: YGA-21319

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits AM20IK

Ring and Pinion Installation Kit, AMC, Model 20, Kit

Part Number: MGR-AM20IK

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Richmond Gear EXCel Ring and Pinion Sets D35355 Dana 35 3.55 Gears

Ring and Pinion Kit

Part Number: RMG-D35355

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Alloy USA Front Axle Shafts 10126

Axle Shaft, Front Outer, 4340 Chromoly, Dana 44, Ford, Each

Part Number: ALY-10126

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Yukon Gear & Axle Replacement Inner Dust Shields YSPBF-037

D30 PLASTIC FRONT AXLE DUST SHIELD for INNER AXLE SHAFT

Part Number: YGA-33442

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Yukon Gear & Axle Grizzly Lockers Dana 44 YGLD44-3-30

Grizzly Locker, Dana 44, 30 Spline, 3.73 and Down, Each

Part Number: YGA-28021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Spicer Drivetrain Products Axle Shaft Oil Slingers 46849

SLINGER - DUST

Part Number: SDH-46849

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Motive Gear Light-Duty Axle Shafts for 1966-1975 BRONCO - MG3001

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 29.625 in. Length, Each

Part Number: MGR-MG3001

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Hurst Replacement Axle Shafts 02-116

Axle Shaft, Rear, 6 x 5.50 in. Bolt Circle, GM, Each

Part Number: HUU-02-116

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Eaton Detroit Lockers Dana 70-HD 225SL58A

Differential, Detroit Locker, 35-Spline, Dana 70-HD, Each

Part Number: ETN-225SL58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020624 Ford 9 in. 3.70 Gears

Ring & Pinion Gear Set Ford 9" / 3.7 Ratio

Part Number: SVL-2020624

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-31-LB

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

USA Standard Gear Bearing Kits ZPKGM8.5

8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Richmond Gear Spools and Mini Spools 81-1033-1

Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKD70-S-35

Spider Gear Kit, Open Differential, Dana 70/80, 35 Spline, Kit

Part Number: YGA-16093

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM12T-411T GM 8.875 in. (12-bolt) truck 4.11 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.11 ratio

Part Number: SPZ-36178

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits for 1963-1979 CORVETTE - R10RVT

Ring and Pinion Installation Kit, Basic, GM 8.25 in., Rear, Kit

Part Number: MGR-R10RVT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Alloy USA Chromoly Front Axle Shaft Kits for 1971-1979 BRONCO, 1968-1974 F-100, 1975-1979 F-150 - 12175

Axles, Direct Fit, Front, 4340 Chromoly, 30-Spline, Ford Pickup, SUV, Dana 44, Kit

Part Number: ALY-12175

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481-XHD

Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKF9-S-31-4

USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YZLASH-03

SEAL HOUSING FOR Dana 44, ZIP LOCKER.

Part Number: YGA-34013

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Motive Gear Super Ring and Pinion Gear Installation Kits R12RSK

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12RSK

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Nuts YSPPN-022

Pinion Nut, Suzuki, Toyota, Each

Part Number: YGA-33156

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air