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 951

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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 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 for 1982-1983 528E - 936-383

Rear Drive Shaft Assembly

Part Number: RNB-936-383

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 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 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Dorman Driveshafts 938-383

Front Driveshaft Assembly

Part Number: RNB-938-383

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Dorman Driveshafts 976-383

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-383

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 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 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 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 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 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 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 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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Estimated Ship Date: Today

SKF Bearings U-Joints UJ383

Universal Joint

Part Number: SKF-UJ383

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 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

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 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

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: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

PRW Pro Series 130-Tooth Flywheel 1644086

Flywheel, Billet Steel, 130- Tooth, 27 lb., External Balance, SFI 1.1, Mopar, 6- Bolt, 225, 318, 340, 383, 400, 440, Each

Part Number: PQX-1644086

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Zoom MU Series Clutches MU1858-1A

Clutch Kit, Organic, 1 in.- 23-Spline, 10.4 in. Disc, Chrysler, Dodge, Plymouth, 360, 383, 400, Kit

Part Number: ZZZ-MU1858-1A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

PRW Billet Aluminum 153-Tooth Flywheel 1940000

Flywheel, PQx, Billet Aluminum, 153-tooth, SFI 1.1, External Engine Balance, Chevy, 383, 400, Each

Part Number: PQX-1940000

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Summit Racing™ Crankshaft Counter Balance Plates SES-3-60-11-026

Counter Balance Plate, Steel, Use with Neutral Balance Flexplate/Flywheel, Chevy, Small Block, 383 Stroker, Each

Part Number: SES-3-60-11-026

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

PRW Power Flywheel Counterweights 1698222

FLYWHEEL COUNTERWEIGHT KIT, CHEV 1986-96 SBC 305/350, 1970-80 SBC 383/400, 1970-90 BBC 454 & 1991-97 BBC 454, 502

Part Number: PQX-1698222

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

American Powertrain Flywheels FWCV-11002

SCIENCE FRICTION Billet Steel 153t Flywheel, 2-piece main seal, 383/400sb, 10.5" clutch only.

Part Number: AWR-FWCV11002

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

RAM Clutches Clutch Kits 88771

Clutch Kit, Organic, 1 in. Dia. Shaft, 23-Spline, 12 in. Dia. Disc, Dodge, Pickup/Van, 383/440, Kit

Part Number: RAM-88771

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

TCI Forged Flexplates 102370

Flexplate, External Engine Balance, 5/16 in. Bolt, 6-Bolt, SFI 29.1, Mopar, 727, Cast Crank, 383-440

Part Number: TCI-102370

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

B&M Flexplates 10237

4.25 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Hurst V-Matic 3 Shifters 3838530

Automatic Transmission Shifter, V-Matic 3, Reverse Lockout, T-handle Knob, Boot, Chevy, Chrysler, Ford, Each

Part Number: HUU-3838530

4.36 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Centerforce I Clutch Discs for 1980-1983 CJ5, 1980-1986 CJ7 - 383303

Clutch Disc, Spung Hub, Organic, 10 in., Jeep, Advanced Adapter Ford V-8 Conversion, Truck, Each

Part Number: CTF-383303

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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