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 Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

FTI Performance Automatic Transmission Steels F2507D

Automatic Transmission Clutch Steels, 0.060 in. Thickness, Thin Direct Steel, GM, Powerglide, Each

Part Number: FTI-F2507D

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Billet Steel 168-Tooth Flywheel SUM-700180

Flywheel, Billet Steel, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Big, Small Block, Each

Part Number: SUM-700180

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI405612

STEEL PLATE - DIRECT EACH .060

Part Number: ATI-405612

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI205615

Automatic Transmission Clutch Steels, Clutch Steel Plates, 0.050 in. Thickness, GM, Powerglide, Each

Part Number: ATI-205615

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FTI Performance Automatic Transmission Steels F2507T

Automatic Transmission Clutch Steels, 0.070 in. Thickness, Thick Direct Steel, GM, Powerglide, Each

Part Number: FTI-F2507T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI405311

Automatic Transmission Rebuild Kits, Forward/Direct Plate, Steel, 0.078 in. Thickness, GM, TH400, Each

Part Number: ATI-405311

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FTI Performance Automatic Transmission Steels F2509R

Automatic Transmission Clutch Steels, Thick Reverse Steel, 0.070 in. Thickness, GM, Powerglide, Each

Part Number: FTI-F2509R

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI205612

Automatic Transmission Clutch Steels, Steel Plate, High Gear. 0.060 in Thick, Each

Part Number: ATI-205612

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sonnax Automatic Transmission Clutch Steels S019703K

STEELS, KOL, PG REV, .070"THK GM POWERGLIDE, 1962-'73

Part Number: SOX-S019703K

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FTI Performance Automatic Transmission Steels F2509ET

Clutch Steel, 0.085 in. Thick, GM Powerglide, Each

Part Number: FTI-F2509ET

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI405511

Automatic Transmission Clutch Steels, Clutch Steel Plates, 0.090 in. Thickness, GM, THM400, Each

Part Number: ATI-405511

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI405411

Clutch Steels, Intermediate, Steel, 0.100 in. Thick, GM, TH400, Each

Part Number: ATI-405411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FTI Performance Automatic Transmission Steels F4047B

Automatic Transmission Clutch Steel, 0.076 in. Thickness, GM, THM400, Each

Part Number: FTI-F4047B

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI205814

Automatic Transmission Rebuild Kits, Reverse Plate, Steel, 0.100 in. Thick, GM, Powerglide, Each

Part Number: ATI-205814

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI405412

Clutch Steels, Intermediate, Steel, 0.060 in. Thick, GM, TH400, Each

Part Number: ATI-405412

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Clutch Steel Plates ATI401403

Clutch Steels, Intermediate, Steel, 0.075 in. Thick, GM, TH400, Each

Part Number: ATI-401403

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FTI Performance Automatic Transmission Steels F4049T

Automatic Transmission Clutch Steel, 0.090 in. Thickness, GM, TH400, Each

Part Number: FTI-F4049T

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sonnax Automatic Transmission Clutch Steels 28131-STK

STEEL KIT, REV, INCREASED RADIUS POWERGLIDE 1.58 SERVICE PART

Part Number: SOX-28131-STK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 374030

TCI Automatic Transmission Clutch Steels 374030

Clutch Pack, Steel, 0.092 in. Thick, GM, 4L60E, 700R4, Set of 3

Part Number: TCI-374030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

FTI Performance Automatic Transmission Steels F4049S

Automatic Transmission Clutch Steels, Intermediate, 0.080 in. Thick, GM, TH400, Each

Part Number: FTI-F4049S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco GM Genuine Parts Automatic Transmission Clutch Steel Plates 29546701

Automatic Transmission Clutch Seals, ACDelco GM Genuine Parts Automatic Transmission Clutch Steel Plates, Chevy, GMC, Each

Part Number: ADO-29546701

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

TCI Automatic Transmission Clutch Steels 724200

Automatic Transmission Clutch Packs, .070 in. Thick, Set of 6

Part Number: TCI-724200

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sonnax High Clutch Kolene Steels S019701K

Steel Plates Powerglide .070 Thickness, 12 External Teeth, Each

Part Number: SOX-S019701K

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sonnax High Clutch Kolene Steels S019715HK-150

Steel Plates Powerglide .060 Thickness, 24 External Teeth, Each

Part Number: SOX-S019715HK150

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212460

Automatic Transmission Clutch Steels, ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates, Each

Part Number: ADO-24212460

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

TCI Automatic Transmission Clutch Steels 324002

TH350 DIR/FOR STEEL .068 (11)

Part Number: TCI-324002

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Page 1 of 80
Next