Transmission & Drivetrain
Availability
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Showing In Stock Items. Show All 1434 Items.
Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each
Part Number: SPZ-10383
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Limited Slip, Front, Tesla, Each
Part Number: UNP-M3MY-349-1-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Limited Slip, Front, Rear, Each
Part Number: UNP-M3MY-349-2-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Axle Conversion, Rear, With Limited Slip Differential, 3.73 and Up ratio, 5 x 5.00 in. Bolt Circle, GM, Kit
Part Number: HUU-02-123
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Axle Conversion, Rear, With Limited Slip Differential, 3.42 and Down ratio, 5 x 5.00 in. Bolt Circle, GM, Kit
Part Number: HUU-02-122
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Differential, Posi Performance, Limited Slip, 30-Spline, 3.73 Gear Ratios, GM, 12-Bolt, Each
Part Number: HUU-02-125
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 30-Spline, 2.76-3.42 Gear Ratios, GM, 12-Bolt, Each
Part Number: HUU-02-124
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit
Part Number: YGA-12627
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each
Part Number: ETN-913A481
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each
Part Number: ETN-913A561
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each
Part Number: ETN-19554-010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.875 in., 12-Bolt, Each
Part Number: ETN-913A555
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Service Kit, Side Gears/Pinion Gears, Washers, Shaft Screw, 30 Spline, Kit
Part Number: ETN-29412-00S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Service Kit, Side Gears/Pinion Gears, 30 Spline, Washers, Shaft Screw, Kit
Part Number: ETN-29411-00S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each
Part Number: ETN-19587-010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Chrysler, 9.25 in. ZF, Ram, Each
Part Number: ETN-917A730
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each
Part Number: ETN-912A616
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 9 in., Each
Part Number: ETN-912A587
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 30-Spline, GM, 8.5 in., Truck, 3 Series, Each
Part Number: ETN-19559-010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.73:1 and Down Only, Dana 44, Each
Part Number: ETN-913A589
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each
Part Number: ETN-19557-010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 4 Series, Each
Part Number: ETN-19555-010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.92:1 and Up Only, Dana 44, Each
Part Number: ETN-913A590
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Dura Grip, Limited Slip, Steel, Rear, Chrysler 9.25 in., Each
Part Number: YGA-26019
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential, Eaton Detroit Truetrac, Limited Slip, 34-Spline, 3.31:1 and Higher Only, Ford 8.8, Each
Part Number: ETN-917A739
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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This is a custom order part. You can order this part by Contacting Us.