1973 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Longfield Axle Shaft and Birfield Joint Kits for 1960-1983 LAND CRUISER - 303402-1-KIT

Axle Shafts, Front, Inner and Outer, Birfield Joint, 4340 Chromoly, Toyota, Kit

Part Number: LSA-303402-1-KIT

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Powertrax Grip LS Traction Systems Ford 9 Inch LS109031

Differential, Grip LS Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-LS109031

Not Yet Reviewed

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Powertrax Lock-Right Lockers Chrysler 8.75 Inch 1240-LR

Differential, Lock-Right, Locker, 30-Spline, Mopar, 8.75 in., Each

Part Number: PWT-1240-LR

5.0 out of 5 stars ( 1 )

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Richmond Gear EXCel Ring and Pinion Sets GM75308 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Kit

Part Number: RMG-GM75308

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Richmond Gear Ring and Pinion Sets 49-0044-1 GM 7.5/7.625 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900441

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eaton Posi Performance 30 Spline Differential GM 10.5 Inch (14-bolt) 19610-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19610-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle Trac Loc Positraction Internals YPKGM8.5-P-28

Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Richmond Gear Mini-Spools 78-1230-1

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-342 GM 7.5/7.625 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36195

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Motive Gear Master Ring and Pinion Installation Kits R9R325SMK

Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit

Part Number: MGR-R9R325SMK

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Ratech Complete Ring and Pinion Installation Kits 334KT

Ratech Complete Ring and Pinion Installation Kits 334KT

Ring and Pinion Installation Kit, Ford, 8 in., Timken Bearings, Kit

Part Number: RAT-334KT

Not Yet Reviewed

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Alloy USA OEM Replacement Rear Axles for 1967-1969 CAMARO, 1965-1967 CHEVELLE, 1970-1975 NOVA - 17121

Axle, Direct Fit, OEM Replacement, Rear, 1541H Steel, 28-Spline, Chevy, 8.2 in., Each

Part Number: ALY-17121

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Hurst Ring and Pinion Sets 02-114 GM 8.875 in. (12-bolt) truck 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-114

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKD60-S-35

Spider Gear Kit, Open Differential, Dana 60/61, 35 Spline, Kit

Part Number: YGA-16085

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Spicer Drivetrain Products Pinion Bearings 706031X

Differential Pinion Bearing Kit (Cup/Cone) - Dana 44

Part Number: SDH-706031X

Not Yet Reviewed

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Motive Gear Open Differential Internal Kits C8.25BI

Spider Gear Kits, Open Differential, Chrysler 8.25 in., 27 Spline, Kit

Part Number: MGR-C825BI

Not Yet Reviewed

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USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Locking Hubs YHC70007

Locking Hubs, Aluminum, 19-spline, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: YGA-29096

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Dorman Ring and Pinion Sets 697-324 Dana 60 3.54 Gears

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: RNB-697-324

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

USA Standard Gear Master Overhaul Kits for 1963-1979 CORVETTE - ZK GMVET-CI

USA Standard Master Overhaul kit for the '63-'79 GM CI Corvette differential

Part Number: SPZ-37063

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Yukon Gear & Axle Ring and Pinion Sets YG D70-411 Dana 70 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 29 Spline, 10.250 in. Ring Gear, Dana 70, Set

Part Number: YGA-24074

Not Yet Reviewed

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Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-013

Thrust Washer, 0.030 in. Thick, AMC Model 20, Dana 44, Ford, 8 in./9 in., Each

Part Number: YGA-33283

4.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Pinion Bearings 706045X

Differential Pinion Bearing Kit (Cup/Cone) - Dana 60/70

Part Number: SDH-706045X

Not Yet Reviewed

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Yukon Gear & Axle Differential Carrier Replacement Parts YP DOF9-01

Differential Carrier Replacement Parts, Side Bearing Screw Adjuster, Ford 9 in., 3.062 in. Bearing, Each

Part Number: YGA-32139

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today