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.

Individual Parts

Part Groups

Results 1 - 10 of 10

J.W. Performance Transmissions Automatic Transmission Rebuild Components 20005

PTFE RINGS (5 PER SET)

Part Number: JPT-20005

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 25, 2025 if ordered today

American Powertrain Science Friction 168-Tooth Flywheel FWCV-20005

Flywheel, Science Friction, 168 Tooth, Billet Aluminum, Internal Engine Balance, One Piece Main Seal, Stock and GM B&B 11 in. Bolt Patterns, Chevy

Part Number: AWR-FWCV20005

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 3, 2025 if ordered today

American Powertrain Science Friction 130-Tooth Flywheel FWCH-20005

Flywheel, Science Friction, 130-tooth, Billet Aluminum, External Engine Balance, 2-piece Main Seal, Dodge

Part Number: AWR-FWCH20005

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 3, 2025 if ordered today

South Bend Clutch Stage 2 Daily Driver Clutch Kits for 1997-1999 BOXSTER - K20005-HD-O

Clutch Kit, Stage 2 Daily Driver, Single, 1.093 in. - 10-spline, Organic Disc, Pressure Plate, Porsche, 2.5L, Kit

Part Number: SBB-K20005-HD-O

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 27, 2025 if ordered today

South Bend Clutch Stage 2 Endurance Clutch Kits for 1997-1999 BOXSTER - K20005-HD-TZ

Clutch Kit, Stage 2 Endurance, Single, 1.093 in. - 10-spline, Kevlar® Disc, Pressure Plate, Porsche, 2.5L, Kit

Part Number: SBB-K20005-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 27, 2025 if ordered today

South Bend Clutch Stage 1 Heavy-Duty Clutch Kits for 1997-1999 BOXSTER - K20005-HD

Clutch Kit, Stage 1 Heavy-Duty, Single, 1.093 in. - 10-spline, Organic Disc, Pressure Plate, Porsche, 2.5L, Kit

Part Number: SBB-K20005-HD

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 27, 2025 if ordered today

XClutch Stage 2R Clutch Kits XKSZ20005-1R

Clutch Kit - Stage 2R Single Ceramic Race Disc

Part Number: XCL-XKSZ20005-1R

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 14, 2025 if ordered today

XClutch Stage 1 Clutch Kits XKSZ20005-1A