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

FTI Performance MR Series 2,800-3,000 Stall Torque Converter MRC30828

TORQUE CONVERTER, MOPAR, TF 8, 727 TORQUE CONVERTER, NONLOCK UP, 2800-3000 STALL

Part Number: FTI-MRC30828

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

USA Standard Gear Spartan Lockers Dana 44 SL D44-19

D44 19spl SPARTAN LOCKER

Part Number: SPZ-17043

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

Yukon Gear & Axle Ring and Pinion Gears 11907

14T 10.5" GM; 4.10&Dwn 40spl GRIZZLY LOCKER CARRIER ASSEMBLY (40spl CASE w/ LOCKER)

Part Number: YGA-11907

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 Ring and Pinion Gears 11240

12T GM 33spl HD 2.76-3.42 DURAGRIP POSITRACTION; COMPOSITE CLUTCH

Part Number: YGA-11240

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

RAM 7.25 Stock Car Series Clutch Kits 8671

RAM 7.25 Stock Car Series Clutch Kits 8671

Clutch Kit, Metallic, 1 1/8 in.- 10-Spline, 7.25 in. Dual Disc, Chevy, Circle Track, Kit

Part Number: RAM-8671

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

RAM Concept 9.5 Dual-Disc Organic Clutch Kits 45-2122

Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in- 10 Spline Disc, Chevy, GMC, Kit

Part Number: RAM-45-2122

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 Ring and Pinion Gear and Installation Kit Combos YGK2186 Chrysler 8.25 in. 3.55 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.25" CHRYSLER, 3.55 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: YGA-10586

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

RAM 7.25 Stock Car Series Clutch Kits 8653

Clutch Kit, Metallic, 1 1/8 in.- 26-Spline, 7.25 in. Dual Disc, Chevy, Circle Track, Kit

Part Number: RAM-8653

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

RAM Concept 9.5 Dual-Disc Organic Clutch Kits 45-2120

Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 10 Spline Disc, Chevy, GMC, Kit

Part Number: RAM-45-2120

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

Powertrax Grip Pro Traction Systems Ford 9 Inch GT109031

Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-GT109031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

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Powertrax Lock-Right Lockers Ford 8/9 Inch 1810-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Dorman Driveshafts for 1979 K20 SUBURBAN, K2500 SUBURBAN, 1978 K25 SUBURBAN - 976-909

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-909

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

Yukon Gear & Axle 4340 Chromoly Axles for 1974-1979 WAGONEER - YA W24146

Yukon front 4340 Chromoly axle kit for '74-'79 Wagoneer (disc brakes),

Part Number: YGA-21339

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

Spicer Drivetrain Products Axle Shafts for 1976-1978 F-150, F-250 - 10008249

Chromoly Front Axle Shaft - Inner (Dana 44) RH

Part Number: SDH-10008249

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2265 Ford 8 in. 4.11 Gears

Ring and Pinion Gears and Installation Kit, 8.0" FORD 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE; FITS POSI OR LOCKER w/ 1.781" BEARING JOURNAL

Part Number: YGA-12519

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

South Bend Clutch Stage 2 Drag Race Clutch Kits K04535-HD-DXD-B

Clutch Kit, Stage 2 Drag Race, Single, 1.130 in. - 10-spline, Ceramic Disc, Pressure Plate, Chevy, 5.7L, Kit

Part Number: SBB-S0308

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

South Bend Clutch Stage 2 Drag Race Clutch Kits K01025-HD-DXD-B

Clutch Kit, Stage 2 Drag Race, Single, 1.130 in. - 10-spline, Ceramic Disc, Pressure Plate, Jeep, Kit

Part Number: SBB-S0730

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

South Bend Clutch Stage 2 Drag Race Clutch Kits for 1977-1982 924 - KF117-01-HD-DXD-B

Clutch Kit, Stage 2 Drag Race, Single, 0.810 in. - 24-spline, Ceramic Disc, Pressure Plate, Porsche, 2.0L, Kit

Part Number: SBB-S1042

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

South Bend Clutch Stage 2 Drag Race Clutch Kits K04535-HD-DXD

Clutch Kit, Stage 2 Drag Race, Single, 1.130 in. - 10-spline, Ceramic Disc, Pressure Plate, Chevy, 5.7L, Kit

Part Number: SBB-S0313

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