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

Beck/Arnley Clutch Slave Cylinders for 1972-1974 BERLINA, 1972-1992 SPIDER - 072-8314

Clutch Slave Cylinder, Replacement, Each

Part Number: BCK-072-8314

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

TCI PRO-X TH400 Center Support Rings 223603

TCI PRO-X TH400 Center Support Rings 223603

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Pioneer 164-Tooth Flexplate FRA-119

Flexplate, 164 Tooth, 13.8 Diameter, Steel, Jeep, Each

Part Number: PIO-FRA-119

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

Yukon Gear & Axle Minimum Install Kits MK GM14T-A

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, GM 10.5 in. (14-bolt), Kit

Part Number: YGA-12045

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

TCI Auto Automatic Transmission Bushings 413700

Kit Bushing Ford C-6

Part Number: TCI-413700

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

TCI Pan Bracket and Lever Kits 418500

Kit Pan Bracket & Lever Ford C4/C6

Part Number: TCI-418500

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

GSP New CV Axle Assemblies NCV66001

Axle Shaft, CV Axle Assembly, Steel, 24.370 in. Length, Front, Subaru, Each

Part Number: GNA-NCV66001

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

Crown Automotive Pinion Bearings J8124052

Pinion Bearing, Outer, Cup, Jeep, Willys, Kit

Part Number: CWA-J8124052

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits D70IK

Ring and Pinion Installation Kit, Dana 70, Kit

Part Number: MGR-D70IK

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Yukon Gear & Axle Bearings for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1986 SCRAMBLER - AK M20

Axle Bearing, Seal, AMC, Model 20, Each

Part Number: YGA-10039

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

Yukon Gear & Axle U-Joints YUJ260

Yukon Small 260 axle U/Joint for early Dana front axles. 2.188" snap ring span, 1.062" cap diameter. Inside sn

Part Number: YGA-42012

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

GSP New CV Axle Assemblies NCV72998

Axle Shaft, Direct Fit, CV Axle Assembly, Steel, 16.378 in. Length, Rear Driver Side, Mini, Each

Part Number: GNA-NCV72998

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

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

Motive Gear Basic Ring and Pinion Gear Installation Kits RA28LRPK

Ring and Pinion Installation Kit, Basic, Dana 44, Front/Rear, Kit

Part Number: MGR-RA28LRPK

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Bearings CK C8.25-B

Differential Carrier Bearings, Steel, Races, Shims, Rear, Chrysler 8.25 in., Kit

Part Number: YGA-57014

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Super Carrier Shims SK 706375

Carrier shim kit for Dana 60, 61 & 70U

Part Number: YGA-55020

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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

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 5, 2026 if ordered today

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Estimated Ship Date: May 5, 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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Yukon Gear & Axle Differential Carrier Replacement Parts YSPSPR-004

Differential Carrier Replacement Parts, Trac Loc Spring, 28 Spline, Ford 8.8, Each

Part Number: YGA-33515

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

The Stop Shop Turned Swirl Console Shift Plate Inserts for 1973-1981 CAMARO, 1970-1981 FIREBIRD - TSS71

Shifter Cover, Console, Turned Swivel, Insert, Aluminum, Natural, Pontiac, Each

Part Number: OPS-TSS71

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

DRP Performance Hub Defenders Bearing Spacers 007 10542

Wheel Bearing Spacer, Hub Defender, Adjustable, Steel, Black, Dodge, Plymouth, Each

Part Number: DPR-00710542

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Sachs Stock Replacement Clutch Discs 1878 654 416

CLUTCH DISC

Part Number: SXR-1878-654-416

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

BCA Bearings by NTN Wheel Bearings NBKD12051Z

Wheel Bearing and Race Set, OE style replacement raceway and roller taper wheel bearing set.

Part Number: NTN-NBKD12051Z

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle 10 Bolt AMC Model 35 Differential Cover YP C1-M35

Differential Cover, 10-bolt, Steel, Chrome, AMC Model 35, Each

Part Number: YGA-32020

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