1974 Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Truetrac 30 Spline Differential GM 10.5 Inch (14-bolt) 915A547

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Richmond Gear Pro Gear Ring and Pinion Sets 79-0060-1 Ford 9 in. 4.86 Gears

Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0060-1

5.0 out of 5 stars ( 1 )

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Summit Racing™ Ring and Pinion Sets SUM-740906 Ford 9 in. 4.86 Gears

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Trac Loc Positraction Internals YPKD60-P/L-35

Differential Carrier Components, Trac Loc Positraction Internals, 35 Spline, Dana 60/70, 35 Spline Axles, Kit

Part Number: YGA-16008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 8 Inch YGLF8-28

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 28-spline, Rear, Ford 8 in., Each

Part Number: YGA-28006

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Eaton Detroit Lockers Dana 44 187SL16C

Differential, Eaton Detroit Locker, 30-Spline, Dana 44, Each

Part Number: ETN-187SL16C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Powertrax Grip LS Traction Systems Ford 8 Inch LS108028

Differential, Grip LS Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-LS108028

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Auburn Gear Grip-N-Loc 17 Spline Differential GM 8.5 Inch, Corvette 546062

Auburn Gear Grip-N-Loc 17 Spline Differential GM 8.5 Inch, Corvette 546062

Differential, Auburn, Grip-N-Loc, Limited Slip, 17-Spline, Chevrolet, Corvette 8.5 in., Each

Part Number: AUB-546062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Powertrax Lock-Right Lockers Dana 60 2610-LR

Differential, Lock-Right, Locker, 30-Spline, Dana 60, Each

Part Number: PWT-2610-LR

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

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: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Spicer Drivetrain Products Trac-Lok 30 Spline Differential Dana 60/61 707097X

Differential Carriers, Loaded Trac-Lok, Dana 60/61, Clutch-type, 30-spline, Full Float, 10 Bolt, Rear, Chevy, Dodge, Ford, GMC, Jeep, Truck/Van, Each

Part Number: SDH-707097X

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Powertrax Grip LS Traction Systems GM 8.5 Inch LS201028

Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-202 Dana 44/GM 8.875 in. (12-bolt) truck 4.10 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-202

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

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: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Powertrax Grip Pro Traction Systems GM 10.5 Inch GT231430

Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Eaton Detroit Lockers Dana 60/60-HD 225SL29B

Differential, Eaton Detroit Locker, 35-Spline, Dana 60, Each

Part Number: ETN-225SL29B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

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: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Richmond Gear Pro Gear Ring and Pinion Sets 79-0021-1 Ford 9 in. 6.00 Gears

Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0021-1

Not Yet Reviewed

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Allstar Performance Ring and Pinion Gear Sets ALL70038 Ford 9 in. 6.00 Gears

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Ring and Pinion Gears 2019214 Dana 60 4.88 Gears

Ring and Pinion Gears, Dana 60, 4.88:1 Ratio, 29-spline, Standard Rotation, Dana 60, Chevrolet, Dodge, Ford, GMC, Jeep, Plymouth, Set

Part Number: SDH-2019214

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Eaton Detroit Truetrac 33 Spline Differential Chrysler 8.75 Inch 914A583

8.75 TRUETRAC DIFFERENTIAL

Part Number: ETN-914A583

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Powertrax No-Slip Traction Systems Chrysler 8.25 Inch 9203822705

Differential, No-Slip Traction System, 27-Spline, Mopar 8.25 in., Each

Part Number: PWT-92-0382-2705

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Powertrax No-Slip Traction Systems GM 7.5 Inch 9207752605

Differential, No-Slip Traction System, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-92-0775-2605

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Chrysler 8.25 Inch YDGC8.25-27-1

Differential Carriers, Dura Grip Positraction Carriers, Chrysler 8.25 in., Clutch-type, 27-spline, 10-bolt, 2.56 Ratio and Up, Chrysler, Dodge, Each

Part Number: YGA-26054

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Powertrax Grip Pro Traction Systems Dana 35 GT443527

Differential, Grip Pro Traction System, 27-Spline, Dana 35, Each

Part Number: PWT-GT443527

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Eaton Detroit Lockers GM 7.5 Inch 162C58A

Differential, Eaton Detroit Locker, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-162C58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today