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

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Results 1 - 25 of 226

American Powertrain ProFit Tremec TKX Manual Transmission and Installation Kits for 1967-1973 COUGAR, 1965-1973 MUSTANG - COFO-M1EX

Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Ford, Cougar, Mustang 1965-73, Kit

Part Number: AWR-COFO-M1EX

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Ford Performance Parts Axle Bearings for 2005-2014 MUSTANG - M-1225-B1

Axle Bearings and Seals, Rear, Outer, Ford 8.8 in., Kit

Part Number: FMS-M-1225-B1

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

VEGE Transfer Cases X433-1M

Transfer Case, 4WD NP273F T/C

Part Number: VRE-X433-1M

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

TransGo Automatic Transmission Valve Body Repair Kits SK VW-O1M

SHIFT KIT Valve Body Repair Kit, VW 01M SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKVW-O1M

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Unplugged Performance Limited Slip Spline Differential Tesla UP-M3MY-349-1.1

Differential Carrier, Limited Slip, Front, Tesla, Each

Part Number: UNP-M3MY-349-1-1

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Unplugged Performance Limited Slip Spline Differential Tesla UP-M3MY-349-2.1

Differential Carrier, Limited Slip, Front, Rear, Each

Part Number: UNP-M3MY-349-2-1

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

VEGE Transfer Cases X141-1M

Transfer Case, 4WD MP3023LD T/C

Part Number: VRE-X141-1M

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Zumbrota Drivetrain Transfer Cases RTC244D-1M

Zumbrota Remanufactured Transfer Case NP243 with Shift Motor 2001-2004 Chrysler

Part Number: ZUD-RTC244D-1M

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Call to Order

Hughes Performance Automatic Transmissions 25-1MS

TRANSMISSION

Part Number: HUP-25-1MS

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Motive Gear - Ring Gear Spacers for 1997-2013 CORVETTE - M52012530-1

Ring Gear Spacer, BOLT, SPACER C-5 CORVETTE

Part Number: MGR-M52012530-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Motive Gear Manual Transmission Gears M5R1-8

CLUSTER GEARS

Part Number: MGR-M5R1-8

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transfer Case, 4WD NV245J T/C

Part Number: VRE-X245-1M

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

VEGE Transfer Cases X312-6M1

Transfer Case, 4WD NV233D T/C

Part Number: VRE-X312-6M1

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

VEGE - Transfer Cases for 1998-1999 YUKON - X114-1M

Transfer Case, 4WD NP243C T/C

Part Number: VRE-X114-1M

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Motive Gear Manual Transmission Gears M5R1-23A

3-4 GEARS

Part Number: MGR-M5R1-23A

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

B&M NAG-1 Locking Transmission Dipsticks 22301

Transmission Dipstick, Locking, Aluminum Handle, Black Anodized, Chrysler, Dodge, NAG1, Kit

Part Number: BMM-22301

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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