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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

Individual Parts

Results 1 - 25 of 943

Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.74 out of 5 stars ( 58 )

Estimated Ship Date: Tomorrow

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Shift Kit, Stick Type, GM, 4L60E 1993-2005, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-4L60E-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Performance Shift Kit, 4L60E, 4L65E, 4L70E, Kit

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Boost Valve and Bushing, .500 in., 236 psi Forward Pressure, Small/Big Blocks, 4L60E, Kit

Part Number: TRG-4L60E-BOOST

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Early Pump, 1.907 in. Long, Kit

Part Number: SOX-4L60E-LB1

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Late Pump, 1.810 in. Long, Kit

Part Number: SOX-4L60E-LB2

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Specialty Components, 4L60E, 4L65E, 4L70E Drop-in Pressure Regulator Valve

Part Number: TRG-4L60E-PR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Specialty Components, 4L60E Oversized actuator feed limit valve and spring

Part Number: TRG-4L60E-AFL-OS

Not Yet Reviewed

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Specialty Components, 4L60E, 4L65E, 4L70E Reamer/Guide for Oversize Pressure Regulator Valve

Part Number: TRG-4L60E-PR-TK

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Specialty Components, 4L60E, 4L65E, 4L70E, 4L75E Oversized PR Valve (tool not included)

Part Number: TRG-4L60E-PR-OS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Specialty Components, 4L60E, 4L65E, 4L70E Reverse abuse bore (divider) plugs

Part Number: TRG-4L60EABUSEBP

Not Yet Reviewed

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Specialty Components, 4L60E, 4L65E, 4L70E Valve Body Bore End Plugs

Part Number: TRG-4L60EVBPLUGS

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Autmatic Transmission valve and bushing E4OD/4R100 F6 Casting Steel 2-3 Shift Valve Kit (3 Pack)

Part Number: TRG-4L60EBST472

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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GearStar GM 4L60E Level 3 Transmissions GS4L60E2L3

$350.00 Mail-In Rebate

Price after Manufacturer Rebate: $4,595.00

Rebate Expires: 9/30/2025

Get $350 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges1 to redeem offer.

Get $350 back after rebate on a Gearstar Performance Level 3 or Level 4 4L60/4L65/4L70E/4L80/4L85E Transmission! Go to https://www.summitracing.com/go/ges1 to redeem offer. Valid on purchases made between 9/1/25 and 9/30/25. Rebate submission must be postmarked within 30 days of purchase. Allow 2-4 weeks for processing. Rebate for end consumer only.

Automatic Transmission, Up to 500 hp/500 ft. lbs, Max, Level 3, Two Piece Case, 4L60E, RWD, 2,200 - 2,400 Stall, LT Bellhousing, Chevrolet, Kit

Part Number: GES-GS4L60E2L3

Not Yet Reviewed

Estimated Ship Date: Tomorrow

  • $350.00 Mail-In Rebate

    Price after Manufacturer Rebate: $4,595.00

    Rebate Expires: 9/30/2025

    Get $350 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges1 to redeem offer.

    Get $350 back after rebate on a Gearstar Performance Level 3 or Level 4 4L60/4L65/4L70E/4L80/4L85E Transmission! Go to https://www.summitracing.com/go/ges1 to redeem offer. Valid on purchases made between 9/1/25 and 9/30/25. Rebate submission must be postmarked within 30 days of purchase. Allow 2-4 weeks for processing. Rebate for end consumer only.

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Automatic Transmission Rebuild Set, with TV Cable Corrector Kit, Checkballs, etc., GM 4L60-E, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SOX-SC-4L60E

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Shift Kit, Shift Improvement, ISO-CON Valve, GM, 4L60E, 4L65E, 4L70E, 4L75E, Each

Part Number: TRG-SK4L60E

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Reluctor Ring, VSS 40-pulse Sensor, Clamp-on Tone Ring, Hardware, Instructions, for Stock GM Output Shaft, GM, 4L60E, Kit

Part Number: ADD-716073E

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Boost Valve, .490 in. Diameter, GM, 4L60E/4L65E, Each

Part Number: TCI-374420

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

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Estimated Ship Date: Nov 5, 2025 if ordered today

Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, Chevy, 4L60E, RWD, Aluminum Pan, LS, Each

Part Number: SUM-700463

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Torque Converter, SB Series, 11.0 in. Diameter, 3,200 rpm Flash Stall, 4L60E, 4L65E, Lockup, LS Bolt Pattern, Each

Part Number: FTI-SB3200LS

4.0 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Automatic Transmission, GM Bellhousing, Automatic Valve Body, Forward Shift Pattern, Chevy, 4L60E, RWD or 2WD, Each

Part Number: SUM-700461

3.15 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Torque Converter, Chevy, LS, 4L60E, 4L65E, 300mm, 10 in. Diameter, 2,800 - 3,200 Stall, Each

Part Number: SUM-700335

4.12 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Torque Converter, SB Series, 11.0 in. Diameter, 3,000 rpm Flash Stall, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SB3000LS

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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