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 1206

Spicer Drivetrain Products PTO End Yokes 10-4-383

End Yoke 1000 Series

Part Number: SDH-10-4-383

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Summit Racing™ SFI-Approved Flexplates SUM-G126SFI

Flexplate, External Balance, Mopar BB 383 400 440 1971-79, TF-727 10 in. or 11.125 in. Converter, 6 Bolt Crank, SFI 29.1, Each

Part Number: SUM-G126SFI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Driveshafts 976-383

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-383

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Dorman Driveshafts 938-383

Front Driveshaft Assembly

Part Number: RNB-938-383

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Dorman Driveshafts 946-383

Driveshaft, Balanced, Assembled, Rear, Steel, Length 62.250 in., Diameter 2.500 in., Mercedes-Benz, Each

Part Number: RNB-946-383

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Dorman Driveshafts for 1982-1983 528E - 936-383

Rear Drive Shaft Assembly

Part Number: RNB-936-383

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Dorman Driveshafts 986-383

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-986-383

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Rekluse Clutch Derby Clutch Covers RMS-383

CLUTCH COVER - KTM 950 Adventure (2002-2006), 950 SuperEnduro (2006-2009), 990 Adventure (2006-2013), 990 SMR (2010-2013)

Part Number: REK-RMS-383

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

All Balls Axle Shafts, Direct Fit AB8-HO-8-383

8-BALL EXTREME DUTY AXLE

Part Number: ALB-AB8-HO-8-383

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

LuK Clutch 168-Tooth Flywheel 4160203100

Flywheel, Steel, Chevy, GMC, 4.3L, Each

Part Number: LUK-LFW383

Not Yet Reviewed

Estimated Ship Date: Today

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BCA Bearings by NTN Differential Bearing Kits for 2010-2023 4RUNNER, 2009-2014 FJ CRUISER, 2016-2023 TACOMA - NBDRK383

Axle Differential Bearing and Seal Kit, OE Style replacement bearing.

Part Number: NTN-NBDRK383

Not Yet Reviewed

Estimated Ship Date: Today

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SKF Bearings U-Joints UJ383

Universal Joint

Part Number: SKF-UJ383

Not Yet Reviewed

Estimated Ship Date: Today

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BCA Bearings by NTN Differential Bearing Kits for 2010-2023 4RUNNER, 2009-2014 FJ CRUISER, 2016-2023 TACOMA - NBDRK383A

Axle Differential Bearing and Seal Kit, OE Style replacement bearing.

Part Number: NTN-NBDRK383A

Not Yet Reviewed

Estimated Ship Date: Today

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BCA Bearings by NTN Differential Rebuild Master Kits for 2010-2023 4RUNNER, 2009-2014 FJ CRUISER, 2016-2023 TACOMA - NBDRK383MK

Ring and Pinion Gear Installation Kit, 8 in., Rear, Toyota, Kit

Part Number: NTN-NBDRK383MK

Not Yet Reviewed

Estimated Ship Date: Today

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Eaton Detroit Truetrac 24 Spline Differential Land Rover 912A383

Differential, Eaton Detroit Truetrac, Limited Slip, 24-Spline, Land Rover, Rear, Each

Part Number: ETN-912A383

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

McLeod StreetPro Clutch Kits 75108

Clutch Kit, StreetPro, Organic, 1 in.- 23-Spline, 11 in. Disc, Chrysler, 360, 383, Kit

Part Number: MCL-75108

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Centerforce Performance Clutch Discs 383946

Clutch Disc, Organic, 1 in.- 23-Spline, 12 in. Diameter Disc, Dodge, Pickup/Van, 383, 400, 440, Each

Part Number: CTF-383946

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

PRW Billet Steel 168-Tooth Flywheel 1640081

Flywheel, PQx, Billet Steel, 168-tooth, 30.000 lbs., SFI 1.1, External Engine Balance, Chevy, 383, 400, Each

Part Number: PQX-1640081

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fidanza Balance Plates 624001

Fidanza Balance Plates 624001

Balance Plate, Steel, Natural, Chevy, 383, 400, Each

Part Number: FIZ-624001

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

PRW Billet Steel 153-Tooth Flywheel 1640071

Flywheel, PQx, Billet Steel, 153-tooth, 29.000 lbs., SFI 1.1, External Engine Balance, Chevy, 383, 400, Each

Part Number: PQX-1640071

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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American Powertrain Science Friction 168-Tooth Flywheel FWCV-10002

Flywheel, Science Friction, Billet Steel, 168-tooth, 11 in. Clutch, SFI Rated, External Balance, Chevy, Small Block, 383, 400, 2-Piece Rear Main, Each

Part Number: AWR-FWCV10002

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today