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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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Performance & Replacement Transmission & Drivetrain Parts

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.

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Individual Parts

Results 1 - 25 of 2000 +

Transmission Fluid Dipstick, Transmission Mount, Matte Black, GM 700R-4 / Chrysler 904

Part Number: GOS-253001B

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Transmission Fluid Dipstick, Universal, Firewall Mount, GM,Ford, Chrysler

Part Number: GOS-253011

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Transmission Fluid Dipstick, Transmission Mount, GM 700R-4 / Chrysler 904

Part Number: GOS-253001

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Transmission Fluid Dipstick, Transmission Mount, GM 350 / 400

Part Number: GOS-253002

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Hydraulic Clutch Lines, Corvette Slave Cylinder to Control Valve, Kit

Part Number: GOS-131181

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

MY08-on WRX

Part Number: GFS-4005

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

6 speed short shifterSTi (MY02-on)

Part Number: GFS-4002

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Fluid Dipstick, Transmission Mount, Matte Black, GM 350 / 400

Part Number: GOS-253002B

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

4003 upgrade kit - makes 4003 into 40024003 upgrade kit - makes 4003 into 4002

Part Number: GFS-4202

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

WRX MY97-07, STi MY97-00, B4 Legacy MY98-02

Part Number: GFS-4001

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

6 speed short shifter - basic kitSTi (MY02-on)

Part Number: GFS-4003

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Hydraulic Clutch Lines, Matte Black, Corvette Slave Cylinder to Control Valve, Kit

Part Number: GOS-131181B

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Transmission Fluid Dipstick, Matte Black, Universal, Firewall Mount, GM,Ford, Chrysler

Part Number: GOS-253011B

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Slip Yoke, 31-spline Inner, Steel, 6.000 in. Overall Length, Each

Part Number: SDH-2-3-6041X

4.59 out of 5 stars ( 29 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-14092

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Shifter Mounting Bracket, Platform, 3.5 in. Height, 3 in. x 8 in. Base, Aluminum, Natural, Each

Part Number: SUM-700070

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Torque Converter Lock-Up Kit, Lock-Up Control Module, Manual Override Switch, GM, THM700-R4/4L60/MD8, Kit

Part Number: BTM-5107000

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Axle Housings, Fabricated Ford 9 in. Housings, Mild Steel, Natural, 3.00 in. Axle Tube Diameter, 60.00 in. Overall Length, Ford 9 in., Each

Part Number: RHC-16-0001-60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Axle Housings, Fabricated, Fully Welded, 3.00 in. Axle Tubes, Mild Steel, Natural, 48.00 in. Width, Ford 9 in., Each

Part Number: RHC-16-0001-48

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Throwout Bearing, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: CTF-N1716

4.83 out of 5 stars ( 47 )

Estimated Ship Date: Today

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Axle Housings, Fabricated Ford 9 in. Housings, Chromoly, Natural, 60.00 in. Overall Length, 3.500 in. Axle Tube Diameter, Ford 9 in., Each

Part Number: RHC-16-0002-60

Not Yet Reviewed

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-14088

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.90:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888390

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Axle Bearing, Green Style, Chrysler 8.75 in., Pair

Part Number: SUM-BK1629-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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