1978 Transmissions Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

ATI Superplate 130-Tooth Flexplate ATI915549

Flexplate, Superplate, 130-tooth, Steel, Internal Engine Balance, SFI 29.2, Chrysler, Dodge, Plymouth, Each

Part Number: ATI-915549

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

FAG USA Clutch Release Bearings MC0974

Release Bearing Acadian,Checker,GM,Isuzu 54-99

Part Number: FWB-MC0974

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

ATP Automotive Automatic Transmission Modulators FX-262

Auto Trans Modulator Valve

Part Number: ATP-FX-262

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

LuK Clutch Kits 6223305000

Clutch Kit, 1.000 in. - 10-spline, Organic Disc, Pressure Plate, Alfa Romeo, 2.0L, Kit

Part Number: LUK-18-002

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

ACT Heavy-Duty Pressure Plates J010

Pressure Plates, ACT Heavy-Duty Pressure Plates, Performance, Diaphragm, Jeep, Each

Part Number: ACL-J010

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Engine Works Flywheel and Flexplate Bolts 257026

Flywheel Bolts, 7/16 in.-20 in. Thread, 1.00 in. Underhead Length, Hex, Steel, Black Oxide, Chevy, Big Block, Small Block, Set of 6

Part Number: EW1-257026

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Centerforce Throwout Bearings B016

Throwout Bearing, OEM Style, Standard, for Nissan, Car, Truck, Each

Part Number: CTF-B016

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Sachs Stock Replacement Clutch Slave Cylinders SH6010

CLUTCH SLAVE CYLINDER

Part Number: SXR-SH6010

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

ATP Automatic Transmission Shift Improver Kits SK-1

Shift Kit, Filter, Gaskets, for TH350 or TH350C, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: ATP-SK1

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

McLeod 500 Series Clutch Discs 260521

Clutch Disc, 500 Series, 1.0 in. - 23-spline, Organic/Ceramic, 11.0 in. Diameter, Drag Race, Street/Strip, V8

Part Number: MCL-260521

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

Centerforce DFX Clutch Discs 323383735

Clutch Disc, Sprung Hub, DFX, Cerametallic, 11 in., Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: CTF-323383735

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

TCI Circle Track Automatic Transmission Front Pump Drives 162000

TCI Circle Track Automatic Transmission Front Pump Drives 162000

Front Pump Drive GM TH350/400 Two Piece Neutral Balance

Part Number: TCI-162000

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 Valve Body Performance Improver Transmission Upgrade Kits 326200

Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each

Part Number: TCI-326200

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

Need It Sooner? We recommend these similar substitute parts:

B&M Shift Improver Kits 30262

4.75 out of 5 stars ( 27 )

Estimated Ship Date: Today

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TCI Forged Flexplates 145700

Flexplate, Internal Engine Balance, 6-Bolt, Mopar, V8, Each

Part Number: TCI-145700

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATP 164-Tooth Flexplate Z-104

Flexplate, 164-tooth, Steel, Internal Balance, Jeep, 360, Each

Part Number: ATP-Z104

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

ATP Automatic Transmission Modulator Valves FX-226

Vacuum Modulator, Ford, A4LD, C-3, Each

Part Number: ATP-FX226

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

ATP 135-Tooth Flexplate Z-108

Flexplate, 135-tooth, Steel, Internal Balance, Ford, Mercury, 2.3L, C-3, Each

Part Number: ATP-Z108

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Centerforce LMC Clutch Discs LM384161

Clutch Disc, Carbon Composite, 1 1/8 in.- 26-Spline, 10.4 in. Disc, GM, V8, Each

Part Number: CTF-LM384161

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

Centerforce LMC Clutch Discs LM281226

Clutch Disc, Carbon Composite, 1 1/16 in.- 10-Spline, 11 in. Disc, Ford, Mercury, L6, V6, V8, Each

Part Number: CTF-LM281226

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

Centerforce LMC Clutch Discs LM384148

Clutch Disc, Carbon Composite, 1 1/8 in.- 26-Spline, 11 in. Disc, GM, V8, Each

Part Number: CTF-LM384148

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

RAM 6000 Series Clutch Discs 6117

Clutch Disc, Sintered Bronze, 1 1/16 in. Diameter Shaft, 10-Spline, 10 in. Dia. Disc, Ford, 5.0L, Each

Part Number: RAM-6117

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

ACT Race Clutch Discs 6224207

Clutch Disc, Race, Ceramic, 1.125 in.- 21-Spline, 8.819 in. Disc, Toyota, Each

Part Number: ACL-6224207

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

FAG USA Clutch Release Bearings MC0514

Release Bearing Ford,Mercury,Meteor 62-89

Part Number: FWB-MC0514

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 Discs 1878 654 416

CLUTCH DISC

Part Number: SXR-1878-654-416

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dura-Bond Automatic Transmission Bushings FAT-5-6T

Transmission Bushing, Actual OD - 1.5125; Length - 1.38; Max Wall - 0.0663

Part Number: DUR-FAT-5-6T

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today