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.

Showing In Stock Items. Show All 383 Items.

Individual Parts

Part Groups

Results 1 - 25 of 156

TransGo Performance Shift Kits 700-2&3

Shift Kit, Automatic, Full Manual, GM, 700R4, Towing, Competition, Pro Sreet, Each

Part Number: TRG-700-2-3

4.32 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Summit Racing™ Automatic Transmission Servo Kits SUM-705415-K

Servo Piston Complete Drop in Assembly, Corvette Servo, 2nd/4th Gear , GM, 700R4, 4L60E, 4L65E, 4L70E, Complete drop in Kit

Part Number: SUM-705415-K

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

TransGo Performance Shift Kits SK 700

Shift Kit, Shift Improvement, without Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

TransGo Performance Shift Kits SK 700-JR

Shift Kit, Shift Improvement, with Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700-JR

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

B&M Shift Improver Kits 70239

Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

TCI Trans-Scat Valve Body Kits 376000

TCI Trans-Scat Valve Body Kits 376000

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, GMC, Oldsmobile, Pontiac, 700R4, Each

Part Number: TCI-376000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

TCI TH700-R4 Kickdown Kits 374400

Kickdown Kit, Aluminum, Natural, GM, Automatic, 700R4, 4L60, Kit

Part Number: TCI-374400

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2025 if ordered today

Lokar Floor Mount Cable Conversion Kits ATA-7002

Shifter Conversion Kits, Automatic, Floor Mount to Cable Actuated, 48.00 in. Cable Included, for Lokar Shifters, Chevy, GM, 700R4, 4L60, 200-4R, Kit

Part Number: LOK-ATA-7002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

ATP Automatic Transmission Shift Improver Kits SK-3

ATP Automatic Transmission Upgrade Kit

Part Number: ATP-SK3

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1964-1967 CUTLASS - SC2322

Factory Shifter Conversion, 30 in. Cable, 4L70, 200-4R, 700-R4, Oldsmobile, Kit

Part Number: SIW-SC2322

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Pioneer Automotive Automatic Transmission Shift Kits 765003

VALVE BODY KIT

Part Number: PIO-765003

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 30, 2025 if ordered today

Pioneer Automotive Automatic Transmission Shift Kits 765004

VALVE BODY KIT

Part Number: PIO-765004

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 30, 2025 if ordered today

Shiftworks Shifter Conversion Kits SC2262

Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Pontiac, Kit

Part Number: SIW-SC2262

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1967-1972 CUTLASS - SC2312

Shifter Conversion Kits, Automatic Transmission, Oldsmobile, Kit

Part Number: SIW-SC2312

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1984-1987 EL CAMINO, MONTE CARLO - SC248

Shifter Conversion Kit, Automatic, 30.00 in. Shifter Cable Length, Shifter Detent and Shift Cable Adapter, GM, Chevrolet, Kit

Part Number: SIW-SC248

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1964 IMPALA - SC2061-C

Shifter Conversion Kit, Automatic, 30.00 in. Shifter Cable Length, Shifter Cable Bracket, Shifter Detent, GM, Chevrolet, Kit

Part Number: SIW-SC2061C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1968-1970 CHEVELLE - SC2242

Shifter Conversion Kit, Chevy, Kit

Part Number: SIW-SC2242

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1982-1992 CAMARO - K300-04B

Shifter Conversion Kit, Shifter Cable, 30 in., Bracket, Lever, THM350, THM400, THM700-R4/4L60/MD8, 4L60E, 4L70E, Chevy, Kit

Part Number: SIW-K300-04B

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1977-1982 CORVETTE - SC2403

Shifter Conversion Kit, Chevy, Kit

Part Number: SIW-SC2403

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits S105-DB

Shifter Conversion Kit, Linkage, Detent, Neutral Safety/Backup Light Switch, Hardware, Chevrolet, Pontiac, Overdrive Transmission Swap, Kit

Part Number: SIW-S105-DB

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1973-1978 CAMARO - SC2261

Shifter Conversion Kit, Bracket, Lever, Window, Chevy, Kit

Part Number: SIW-SC2261

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Sonnax Sure Cure® Automatic Transmission Rebuild Kits SC-4L60

Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit

Part Number: SOX-SC4L60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

TCI Pro Super Transmission Overhaul Kits 378900

Automatic Transmission Rebuild Kit, Pro Super, GM, 700R4, Kit

Part Number: TCI-378900

3.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1968-1970 CHEVELLE - SC2242-R

Shifter Conversion Kit, Chevy, Kit

Part Number: SIW-SC2242-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Shiftworks Shifter Conversion Kits for 1972-1976 CORVETTE - SC2402

Shifter Conversion Kit, Factory Shifter, Regular Shift, Chevrolet, Kit

Part Number: SIW-SC2402

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

...Loading

Estimated Ship Date: Monday 10/13/2025

Page 1 of 7
Next