Selected Filters


Loading...

Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

Availability


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.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Results 1 - 25 of 186

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Torque Converter, Chevy, GMC, Allison 1000, Diesel, Each

Part Number: BDD-1064704SS

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 3 Transmission Build Replaces 4 Wheel Drive 68RFE 2010-2012 ATS Diesel Performance

Part Number: APF-319-934-2356

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 3 Transmission Build Replaces 4 Wheel Drive Aisin AS69RC 2019+

Part Number: APF-319-935-2464

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 2 Transmission Build Replaces 4 Wheel Drive 68RFE 2010-2012 ATS Diesel Performance

Part Number: APF-319-924-2356

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Torque Converter, Chevy, GMC, Allison 1000, 6.6L Diesel, Each

Part Number: BDD-1064724SS

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

Automatic Transmission, Plus, Forward Shift Pattern, Automatic Valve Body, Triple Torque Converter, Chevy, GMC, Allison 1000, 6.6L Diesel, Each

Part Number: BDD-1064754BM

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Torque Converter, Chevy, GMC, Allison 1000, 6.6L Diesel, Each

Part Number: BDD-1064734SS

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 3 Transmission Build Replaces 4 Wheel Drive 68RFE 2019+ ATS Diesel Performance

Part Number: APF-319-934-2464

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 3 Transmission Build Replaces 4 Wheel Drive 68RFE 2007.5-2009

Part Number: APF-319-934-2326

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 1 Transmission Build Replaces 4 Wheel Drive 68RFE 2007.5-2009

Part Number: APF-319-914-2326

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 5 Transmission Build Replaces 4 Wheel Drive 68RFE 2019+ ATS Diesel Performance

Part Number: APF-319-954-2464

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 2 Transmission Build Replaces 4 Wheel Drive 68RFE 2007.5-2009

Part Number: APF-319-924-2326

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 4 Transmission Build Replaces 2 Wheel Drive 68RFE 2015-2018 ATS Diesel Performance

Part Number: APF-319-942-2416

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 2 Transmission Build Replaces 4 Wheel Drive 68RFE 2015-2018 ATS Diesel Performance

Part Number: APF-319-924-2416

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission - 2007-2008 Chev LMM Allison 1000 4wd (Custom Rebuild Onlyl)

Part Number: BDD-1064744

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 5 Transmission Build Replaces 4 Wheel Drive 2013-2018 ATS Diesel Performance

Part Number: APF-319-955-2392

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 1 Transmission Build Replaces 4 Wheel Drive 68RFE 2015-2018 ATS Diesel Performance

Part Number: APF-319-914-2416

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 1 Transmission Build Replaces 4 Wheel Drive 2019+ ATS Diesel Performance

Part Number: APF-319-915-2464

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Pan, Ram-Air, Deep, Aluminum, Black, Finned, Allison 1000 Transmission, Chevy, GMC, Each

Part Number: GBE-35146-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Transmission Pan, Aluminum, Natural Finish, Deep, Extra 4 Qt., Filter, Chevy, GMC, Allison 1000, 2000, 2400, Each

Part Number: PPE-128051000

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Transmission Pan, Aluminum, Black/Brushed Finish, Deep, Extra 4 Qt., Filter, Chevy, GMC, Allison 1000, 2000, 2400, Each

Part Number: PPE-128051010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Each

Part Number: ADO-TF950

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Shift Kit, Performance, Chevy, GMC, Allison, 1000, 2000, 2400, Kit

Part Number: TRG-SKALLISON-JR

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission Filter, Designed To Fit Pacific Performance Heavy-duty Deep Aluminum Transmission Pan, Allison, Each

Part Number: PPE-128058700

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today