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

Yukon Gear & Axle Differential Carrier Replacement Parts YP DOF9-01

Differential Carrier Replacement Parts, Side Bearing Screw Adjuster, Ford 9 in., 3.062 in. Bearing, Each

Part Number: YGA-32139

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 YUJ801

U-Joint, Spicer 1410, Steel, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Ram, Each

Part Number: YGA-42022

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Spicer Drivetrain Products Life Series U-Joints for 1957-1959 MARK 1 - 5-1410X

5 out of 5 stars ( 11 )

Estimated Ship Date: Today

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ATI Crank Adapters ATI915640X

Crank Adapter, Steel, Supercase, Fits GM to Chrysler with 8-bolt Crankshaft Flange Only, Chrysler, Dodge, Plymouth, Each

Part Number: ATI-915640X

Not Yet Reviewed

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Beck/Arnley Clutch Master Cylinders for 1967-1980 MGB - 072-2108

Master Cylinder, Clutch, MG, Each

Part Number: BCK-072-2108

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits D44IK

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

Part Number: MGR-D44IK

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

USA Standard Gear Bearing Kits ZPKGM8.5

8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

EBC Standard CK Series Clutch Friction Discs for 1976 CB750F SUPER SPORT, 1977-1978 CB750K - CK1145

Clutch Friction Discs, Standard, for use on Honda®, Set

Part Number: EBP-CK1145

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

Yukon Gear & Axle Differential Carrier Replacement Parts YZLASH-03

SEAL HOUSING FOR Dana 44, ZIP LOCKER.

Part Number: YGA-34013

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

OMIX-ADA Clutch Bellcrank Kits for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1985 SCRAMBLER - 16919.01

Clutch Bellcrank, Steel, Black, Jeep, Kit

Part Number: OMX-1691901

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Jun 24, 2026 if ordered today

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Estimated Ship Date: Jun 24, 2026 if ordered today

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OMIX-ADA Clutch Bellcranks for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1985 SCRAMBLER - 16919.07

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TCI Racing Overhaul Kits 228600

TCI Racing Overhaul Kits 228600

Automatic Transmission Rebuild Kit, Racing, Chevy, TH400, Kit

Part Number: TCI-228600

Not Yet Reviewed

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Advance Adapters GM Transmission Swap 164-Tooth Flexplate 716138-A

Flex Plate, AMC, 304, Each

Part Number: ADD-716138-A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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B&M Automatic Transmission Filter Extensions 30284

Transmission Filter Extension, Cast Aluminum, for BMM-30280/BMM-30289, Each

Part Number: BMM-30284

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Installation Half Kits 83-1088-C

Ring and Pinion Installation Kit, GM, 8.5 in. O, Kit

Part Number: RMG-83-1088-C

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

Yukon Gear & Axle Pinion Shims SK F9-7/16

Pinion depth shims for Ford 9"

Part Number: YGA-55057

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

Silver Sport Transmission Clutch Forks CAFP-E6ZZ

Clutch Fork Ford Fox Body with Cable Clutch

Part Number: IST-CAFP-E6ZZ

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

ATP 168-Tooth Flexplate Z-121

Flexplate, 168-tooth, Steel, Internal Balance, Chevy, GMC, Each

Part Number: ATP-Z121

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

LuK Clutch 115-Tooth Flywheel 4160144100

Flywheel, Steel, Toyota, 2.2L, 2.4L, Each

Part Number: LUK-LFW148

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Motive Gear Basic Ring and Pinion Gear Installation Kits D60IK

Ring and Pinion Installation Kit, Dana 60, Kit

Part Number: MGR-D60IK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

ACDelco Gold Universal Joints 19470448

Universal Joint, Gold, Greasable, Steel, Round Plain, for Infiniti, for Nissan, Cadillac, Chevrolet, Dodge, Ford, GMC, Isuzu, Jaguar, Ram, Each

Part Number: ADO-45U0300

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Yukon Gear & Axle 10 Bolt Dana 60/61 Differential Cover YP C1-D60-STD

Differential Cover, 10-bolt, Steel, Chrome, Dana 60, Dana 61, Standard Rotation, Each

Part Number: YGA-32005

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Powertrax Replacement Active Spacers 624014SEH2

Spacer, Replacement for No-Slip, Each

Part Number: PWT-624014SEH2

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Pinion Yokes 697-543

Pinion Yoke, Bolt-on, 26-spline, Steel, 3.03 in. Overall Length, AMC, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Jeep, Peterbilt, Volvo, Each

Part Number: RNB-697-543

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

Yukon Gear & Axle Differential Pinion Yokes YY D44-1310-26S

Yoke, Differential Location, 26-spline Inner, Steel, Spicer 1310 U-joint Style, Each

Part Number: YGA-41017

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 Bearings AK F-F01

Axle Bearing, Seal, Ford, Dana 44, Front, Each

Part Number: YGA-10017

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

Yukon Gear & Axle Bearings AK F-G01

Axle Bearing, Seal, Outer, One Side Only, Front, Dana 44, Chevy, GMC, Kit

Part Number: YGA-10022

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