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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TCI Forged 168-Tooth Flexplate 399773

Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 5.0/5.7L, Each

Part Number: TCI-399773

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399973

Flexplate, 168-Tooth, External Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 454/7.4L, Each

Part Number: TCI-399973

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399774

Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, Each

Part Number: TCI-399774

4.92 out of 5 stars ( 12 )

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TCI Forged 157-Tooth Flexplate 529615

Flexplate, 157-Tooth, Internal Engine Balance, SFI 29.1, Ford, Small Block, Each

Part Number: TCI-529615

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399873

Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy 454/7.4L, Each

Part Number: TCI-399873

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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TCI Forged Flexplates 145200

TCI Forged Flexplates 145200

Flexplate, Internal Engine Balance, SFI 29.1, 6-Bolt, Mopar, V8, 727/904, Each

Part Number: TCI-145200

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Today

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TCI Forged 157-Tooth Flexplate 529618

Flexplate, 157-Tooth, External Engine Balance, SFI 29.1, Ford, Small Block, Each

Part Number: TCI-529618

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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TCI Forged 153-Tooth Flexplate 399573

Flexplate, 153-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, V8, Each

Part Number: TCI-399573

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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TCI Forged 164-Tooth Flexplate 529625

Flexplate, 164-Tooth, Internal Balance, Ford, SFI 29.1, Small Block/351WCM/400, Each

Part Number: TCI-529625

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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TCI Forged 153-Tooth Flexplate 399173

Flexplate, 153-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 5.7L, Each

Part Number: TCI-399173

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Inland Empire Driveline Forged Steel Pinion Yokes PY-12

Yoke, Steel, 1350, GM 12-Bolt Passenger Differential, 30-Spline, Each

Part Number: IED-PY12

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399373

Flexplate, 168-Tooth, External Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, 400, Each

Part Number: TCI-399373

2.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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TCI Forged 164-Tooth Flexplate 529628

Flexplate, 164-Tooth, External Balance, SFI 29.1, 11.5 in. Bolt Pattern, Ford, Small Block/351WCM/400, Each

Part Number: TCI-529628

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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TCI Forged 153-Tooth Flexplate 399174

Flexplate, 153-Tooth, Internal Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 5.7L, Each

Part Number: TCI-399174

1.0 out of 5 stars ( 1 )

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TCI Forged Flexplates 145600

Flexplate, Internal Engine Balance, Small Bolt Circle, 6-Hole Forged Crank, 6-Bolt, Mopar, V8, 727/904, Each

Part Number: TCI-145600

3.1 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Inland Empire Driveline Forged Steel Pinion Yokes PY-12-1310

Driveshaft Pinion Yoke; Forged 1310 Pinion Yoke; Forged Steel For GM 12 Bolt Rear End; Accepts 1310 U-Joint A

Part Number: IED-PY12-1310

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Wilwood Forged Billet Aluminum Brake Hub Assemblies for 1988-1998 C1500 - 270-16540

Brake Hub Assembly, Forged Billet Aluminum, Natural, 5 x 4 3/4 in. and 5 x 5 in. Wheel Bolt Circle, Chevrolet, Each

Part Number: WIL-270-16540

Not Yet Reviewed

Estimated Ship Date: Today

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Wilwood Forged Billet Aluminum Brake Hub Assemblies 270-15104

HUB, BEARING, LIGHT TRUCK, 5x4.75/5.00 BC

Part Number: WIL-270-15104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TCI Forged 164-Tooth Flexplate 529620

Flexplate, 164-Tooth, External Balance, SFI 29.1, Ford, Small Block, Each

Part Number: TCI-529620

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

TCI Forged 168-Tooth Flexplate 399853LW

FLEXPLATE, LS 29.2 LW

Part Number: TCI-399853LW

Not Yet Reviewed

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Wilwood Forged Billet Hat Mount Hubs for 1982-1992 CAMARO - 270-12506

Wheel Hubs, Forged Billet Hat Mount, 5 x 4.75 in. Bolt Circle, Forged Alloy, Natural, Use with Aluminum Mounting Hats, Chevrolet, Camaro, Each

Part Number: WIL-270-12506

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

TCI Forged Flexplates 102360

Flexplate, External Engine Balance, 5/16 in. Bolt, 6-Bolt, SFI 29.1, Mopar, 727, Cast Crank, 360, Each

Part Number: TCI-102360

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399755

Flexplate, Forged, 168-tooth, Steel, Internal Engine Balance, 1-piece Rear Main Seal, SFI 29.1, Chevy, Each

Part Number: TCI-399755

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

TCI Forged Flexplates 102390

Flexplate, External Engine Balance, 5/16 in. Bolt, 6-Bolt, SFI 29.1, Mopar, 904, Cast Crank, 360, Each

Part Number: TCI-102390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TCI Forged 168-Tooth Flexplate 399860

Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.2, Chevy, Each

Part Number: TCI-399860

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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