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.

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Results 1 - 25 of 44

Eaton Detroit Truetrac 32 Spline Differential GM 8.6 Inch IRS/ 218mm, AAM 912A686

Differential, Detroit Truetrac, 32-Spline, Chevy, 218mm AAM, Each

Part Number: ETN-912A686

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Goodmark Automatic Transmission Shifter Cables GMK4020552686

SHIFTER CABLE ASSEMBLY; 68-72 CAMARO; 68-72 CHEVELLE WITH CONSOLE A/T [CORRECT]

Part Number: GMK-4020-552-686

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Loaded Steering Knuckles for 2013 EDGE, 2011-2015 MKX - 686-265

Front Left Loaded Knuckle

Part Number: RNB-686-265

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Dorman Loaded Steering Knuckles for 2011-2014 EDGE, 2011-2015 MKX - 686-264

Front Right Loaded Knuckle

Part Number: RNB-686-264

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dorman Driveshafts for 1999-2000 PATHFINDER - 936-686

Driveshaft, Balanced, Assembled, Rear, Steel, Length 58.000 in., Diameter 2.500 in., Nissan, Each

Part Number: RNB-936-686

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Auto Metal Direct Clutch Linkage Components W-686B

Bellcrank Seals, Clutch Linkage Components, Felt, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: AMD-W-686B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Driveshafts for 1995-1997 PASSPORT, RODEO - 986-686

Rear Driveshaft Assembly

Part Number: RNB-986-686

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Dorman Driveshafts for 2008-2010 F-250 SUPER DUTY, F-350 SUPER DUTY - 946-686

Driveshaft, Balanced, Assembled, Rear, Steel, Length 106.910 in., Diameter 3.500 in., Ford, Each

Part Number: RNB-946-686

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Dorman Driveshafts for 2008-2010 M45 - 976-686

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-686

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Pioneer Clutch Cables for 1987 TROOPER - CA-686

CLUTCH CABLE

Part Number: PIO-CA-686

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Auto Metal Direct Clutch Linkage Components W-686A

Bellcrank Bushing Clips, Clutch Linkage Components, Buick, Chevy, Oldsmobile, Pontiac, Set of 4

Part Number: AMD-W-686A

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

LuK Clutch Master Cylinders for 2010-2013 KIZASHI, 2007-2013 SX4 - 5110605100

MASTER CYLINDER SUZUKI:SX4 07-13

Part Number: LUK-LMC686

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Sachs Stock Replacement Clutch Kits for 1996-1999 I30, 1985-2001 MAXIMA - KF686-01

CLUTCH KIT

Part Number: SXR-KF686-01

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

EK Chain Drive Chains 520SRO6-86.SKJ

EK 520SRO6-86L O-RING

Part Number: EKC-520SRO686SKJ

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

New Vintage USA 7-Lamp Shift Indicator Panels 90907-01

New Vintage USA 7-Lamp Shift Indicator Panels 90907-01

Shift Indicator, Horizontal, 7-Lamp, Machined Aluminum, Black, Dash Mount, Each

Part Number: NVU-90907-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

New Vintage USA 7-Lamp Shift Indicator Panels 90927-00

Shift Indicator, Vertical, 7-Lamp, Machined Aluminum, Polished, Console Mount, Each

Part Number: NVU-90927-00

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

New Vintage USA Shift Indicator Lamp Panels 90927-01

Shift Indicator, PRND321, LED, 5.50 in Length, 0.75 in. Height, 0.25 in. Deep, Aluminum, Black Powdercoat, Each

Part Number: NVU-90927-01

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

New Vintage USA Shift Indicator Lamp Panels 90907-00

Shift Indicator, PRND321, LED, 5.50 in Length, 0.75 in. Height, 0.25 in. Deep, Aluminum, Polished, Each

Part Number: NVU-90907-00

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mopar Replacement Driveshafts 68610951AA

SHAFT, DRIVE, 2014-2023

Part Number: MOP-68610951AA

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

HardDrive Products Powersports Axle Assemblies 68-641

REAR AXLE ONLY FXD 08-UP

Part Number: HDD-68-641

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

HardDrive Products Powersports Axle Assemblies 68-605

FRONT AXLE W/HRDWARE FL SOFTAIL MODELS 86-99

Part Number: HDD-68-605

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

HardDrive Products Powersports Axle Assemblies 68-646

FRONT AXLE KIT FLST `07-17

Part Number: HDD-68-646

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

HardDrive Products Powersports Axle Assemblies 68-627

FRONT AXLE KIT XL 88-99 FXD 91-99 FXR 87-94

Part Number: HDD-68-627

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

HardDrive Products Powersports Axle Assemblies 68-651

REAR AXLE ONLY FXST 08-UP

Part Number: HDD-68-651

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

HardDrive Products Powersports Axle Assemblies 68-634

FRONT AXLE KIT FLT 00-07

Part Number: HDD-68-634

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

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