Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Spartan Lockers Toyota 7.5 Inch SL T7.5-27

Spartan Differential Locker, Toyota 7.5 in., 27-spline Axle, Toyota, Each

Part Number: SPZ-17014

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear Spartan Lockers Ford 8/9 Inch SL F9-28-31

Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK C8.75-E

USA Standard Master Overhaul kit for Chrysler 8.75" #42 housing with 25520/90 differential bearings

Part Number: SPZ-37093

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear Master Overhaul Kits ZK F10.5-B

USA Standard Master Overhaul kit for 2008-2010 Ford 10.5" differentials using aftermarket 10.25" R&P

Part Number: SPZ-37098

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear Master Overhaul Kits ZK F10.5-C

USA Standard Master Overhaul kit Ford, 10.5 in., Kit

Part Number: SPZ-37099

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USA Standard Gear Master Overhaul Kits ZK GM9.25IFS-A

USA Standard Master Overhaul kit GM, 9.25 in. IFS, Kit

Part Number: SPZ-37061

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USA Standard Gear Ring and Pinion Sets ZG C9.25B-411B Chrysler 9.25 in. ZF 4.11 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion gear set for '11 & up Chrysler 9.25 ZF in a 4.11 ratio

Part Number: SPZ-36360

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C9.25B-321B Chrysler 9.25 in. ZF 3.21 Gears

USA Standard Ring & Pinion gear set for '11 & up Chrysler 9.25 ZF in a 3.21 ratio

Part Number: SPZ-36419

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10835

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2185 Chrysler 8.25 in. 3.07 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.07 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10898

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear Master Overhaul Kits ZK GM9.25IFS-B

Differential Rebuild Kits, USA Standard Master Overhaul kit for the '11 & up GM 9.25" IFS front differential

Part Number: SPZ-37146

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USA Standard Gear - Axle Shafts, Direct Fit for 2002-2004 F-250 SUPER DUTY, 1999-2004 F-350 SUPER DUTY - ZA K630434

Axle D60 FRONT, '99-'04 FORD SUPER DUTY, 46.9", 4WD, RH, 35spl INNER, 30spl STUB SHAFT

Part Number: SPZ-12164

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USA Standard Gear Spartan Lockers Dana 35 SL M35-1.6-27

Spartan Differential Locker, Dana 35, 27-spline Axle, Jeep, 1.625 in. Carrier, Each

Part Number: SPZ-17008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Powertrax Lock-Right Lockers Dana 35 2311-LR

3 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2049 Ford 8.8 in. 4.88 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 2.530" OD Axle Bearings & Seals

Part Number: SPZ-10760

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2059 Ford 8.8 in. 4.88 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10770

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2065 Ford 8.8 in. 3.55 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 3.55 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10776

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2066 Ford 8.8 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10777

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2067 Ford 8.8 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10778

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2068 Ford 8.8 in. 4.56 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10779

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Estimated Ship Date: Jan 5, 2026 if ordered today

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2069 Ford 8.8 in. 4.88 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 2.99" OD Axle Bearings & Seals

Part Number: SPZ-10780

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Yukon Gear & Axle Bearing Kits BK TV6

Yukon Bearing install kit for Toyota Turbo 4 and V6 differential

Part Number: YGA-11092

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM11.5

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 11.5 in./Chrysler, 11.5 in., Kit

Part Number: YGA-11102

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Yukon Gear & Axle Bearing Kits BK GM9.25IFS-B

Ring and Pinion Installation Kit, 30 spline, GM 9.25 in. IFS, Front, Kit

Part Number: YGA-11114

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK F9.75-CNV-J

Yukon bearing install kit for '00-'07 Ford 9.75" differential with '11 & up ring & pinion set

Part Number: YGA-11123

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG D44JL-456 Dana 44/M200 Jeep Wrangler JL 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 32-spline, Standard Rotation, Dana 44 Jeep Wrangler JL, Dana M220, Rear, Jeep, Set

Part Number: YGA-24803

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today