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 36 Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 15 of 15

Valair Performance Quiet Street Dual Disc Clutch Kits QG56DDSN-ORG

Clutch Assembly, Quiet Street Dual Disc, 1.375 in., 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, Ram, L6 Diesel, Kit

Part Number: VAI-QG56DDSN-ORG

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Valair Performance Quiet Street Dual Disc Clutch Kits for 1999-2005 RAM 2500, RAM 3500 - QNV56DDSN-ORG

Clutch Kits, Quiet Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, 5.9L Diesel, Kit

Part Number: VAI-S0001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Valair Performance Quiet Street Dual Disc Clutch Kits QG56DDSN

Clutch Kit, Quiet Street Dual Disc, Quiet Spring Hub Dual Disc Kit For G56 (Nodular Iron Flywheel)

Part Number: VAI-QG56DDSN

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

EPI Performance CV Joint Kits 52-71178

CV Joint and Boot, Polaris, Rear Inner, Kit

Part Number: ERL-WE271178

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2026 if ordered today

Zoom High Performance Clutch Kits HP5552-1

Clutch Kit, Organic/Carbon Composite, 1 1/8 in.- 10-Spline, 11 in. Diameter Disc, Oldsmobile, Pontiac, Kit

Part Number: ZZZ-HP5552-1

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2027 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2027 if ordered today

TCI Pro Super Transmission Overhaul Kits 128800

TCI Pro Super Transmission Overhaul Kits 128800

Automatic Transmission Rebuild Kit, Pro Super, Mopar, Torqueflite 727, Kit

Part Number: TCI-128800

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Zoom High Performance Clutch Kits HP9091-1

Clutch Kit, Organic/Carbon Composite, 1 1/8 in.- 10-Spline, 12 in. Diameter Disc, Chevy, GMC, L6, V8, Kit

Part Number: ZZZ-HP9091-1

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Jan 20, 2027 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2027 if ordered today

TCI Pro Super Transmission Overhaul Kits 228800

Automatic Transmission Rebuild Kit, Pro Super, GM, TH400, Kit

Part Number: TCI-228800

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

TCI Pro Super Transmission Overhaul Kits 128900

Automatic Transmission Rebuild Kit, Pro Super, Torqueflite 727, Torque Command 727, Kit

Part Number: TCI-128900

2.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

TCI Pro Super Transmission Overhaul Kits 438905

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, AOD, Kit

Part Number: TCI-438905

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Centerforce DFX Clutch Kits 315148552

Clutch Kit, DFX, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315148552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 20, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 20, 2026 if ordered today

Centerforce DFX Clutch Kits for 1994-2005 RAM 2500, RAM 3500 - 315489989

Clutch Kit, DFX, Performance, Single Disc, 10-Spline, 1.250 in. Diameter, 12.250 in. Disc Diameter, Cerametallic, 8-Paddle, Sprung Hub, Kit

Part Number: CTF-315489989

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 20, 2026 if ordered today

Centerforce DFX Clutch Kits 315583402

Clutch Kit, DFX, Performance, Single Disc, 24-Spline, 1 in. Diameter, 8.875 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315583402

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

EPI Performance CV Joint Kits 52-71177

CV Joint and Boot, Polaris, Rear Outer, Kit

Part Number: ERL-WE271177

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2026 if ordered today

TCI Competition 700R4 Transmission 371001

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Full Manual Valve Body, Chevy, 700R4, Each

Part Number: TCI-371001

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Page 1 of 1