Transmission & Drivetrain
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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.
Showing In Stock Items. Show All 466 Items.
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: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
BUILD IT WITH SUMMIT!
Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Kit
Part Number: SUM-G19013
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Torque Converter, Chevy, GMC, Allison 1000, 6.6L Diesel, Each
Part Number: BDD-1064744SS
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
ATS Stage 1 Allison LCT1000 Transmission Package 2WD w/ PTO 2011-2016 6.6L LML Duramax
Part Number: APF-309-813-4362
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Transmission Pan, Ram-Air, Deep, Aluminum, Black, Finned, Allison 1000 Transmission, Chevy, GMC, Each
Part Number: GBE-35146-B
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic Type, Chevy, GMC, Allison, 1000, 2000, 2400, Towing, Heavy Duty, Each
Part Number: TRG-ALLISON-SK
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Shift Kit, Performance, Chevy, GMC, Allison, 1000, 2000, 2400, Kit
Part Number: TRG-SKALLISON-JR
Estimated Ship Date: Today
Estimated Ship Date: Today
Allison LCT: 2011-2019
Part Number: TRG-ALLISON-11UP
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Each
Part Number: ADO-TF950
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Filter, Allison 1000, Chevy, GMC, 6.6L Diesel, Each
Part Number: ADO-29537965
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Filter, Direct Fit, Chevy, GMC, Allison 1000, Sump Filter. Kit
Part Number: SUM-G19014F
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Pan, Heavy-Duty, Aluminum, Black, Chevy, GMC, Allison 1000, Each
Part Number: PPE-128052010
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
Automatic Transmission Modular Plugs, Pacific Performance, EPC Blocker, for Allison 1000, Easy Installation, GMC, 2500HD, 3500HD, Savana, 6.6L, Each
Part Number: PPE-128041119
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rebuild Kit, Allison LCT-1000, Stage 6 Rebuild Kit
Part Number: APF-3139064290
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rebuild Kit, Allison LCT-1000, Stage 6 Rebuild Kit
Part Number: APF-3139064308
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rebuild Kit, Allison LCT-1000, Stage 7 Rebuild Kit
Part Number: APF-3139074290
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission valves C,D,E, 3 pack, Allison 1000-2400 series
Part Number: TRG-A1SHFTVALVES
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Pan, 11-12 qt. Increased Capacity, Aluminum, Black, Allison, Chevrolet, GMC, Each
Part Number: YGA-YHCTP-A1000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Filter, Gasket, Chevy, GMC, Hummer, Allison 1000, Each
Part Number: WIX-57701
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Automatic Transmission Pan, Heavy-Duty, Aluminum, Black, Chevy, GMC, Allison 1000, Each
Part Number: PPE-128052020
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
2001-2019 Duramax Allison A1000 Transmission Pan, Cast, GR
Part Number: MIO-MMTP-DMAX-01
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Automatic Transmission Pan, Deep, Aluminum, Black Wrinkled, Allison 1000, Chevy, GMC, Each
Part Number: AFE-46-70072
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
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Summit Racing™ Transmission Filter Kits SUM-G19013
