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

Centerforce I Clutch Kits for 1975-1987 LAND CRUISER - CF043518

Clutch Kit, Organic, 1 1/16 in. Diameter Shaft, 10-Spline, 10.813 in. Diameter Disc, Toyota, Kit

Part Number: CTF-CF043518

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 Performance Ring and Pinion Sets F890514 Ford 9 in. 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890514

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 Master Overhaul Kits for 1986-1995 4RUNNER, 1977-1995 PICKUP, 1995-2006 TACOMA - YK T7.5-4CYL

Installation Kit, Master Overhaul, Toyota 7.5 in. IFS, Kit

Part Number: YGA-14114

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

Yukon Gear & Axle Differential Clutch Sets YPKC8.75-PC

Differential Carrier Clutch, Steel Clutch Pack, Power-Lok, Am General, AMC, Chevy, Chrysler, Ford, Jeep, Set

Part Number: YGA-16148

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

USA Standard Gear Bearing Kits ZBKGM14T-A

Ring and Pinion, Installtion Kit, GM, 10.5 in., Kit

Part Number: SPZ-58046

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

Richmond Gear EXCel Ring and Pinion Sets D60456 Dana 60 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-D60456

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

USA Standard Gear Master Overhaul Kits ZK D70-U

USA Standard Master Overhaul kit Dana 70 U differential

Part Number: SPZ-37024

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

USA Standard Gear Axle Shafts ZA W46100

D60 12" 35 spline outer stub shaft

Part Number: SPZ-35095

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG M35-307 AMC Model 35 3.07 Gears

Ring and Pinion Gears, AMC Model 35, 3.07:1 Ratio, 26-spline, Standard Rotation, Fits 1 7/16 in. Tall Case, AMC Model 35, AMC, Dodge, Ford, Jeep, Set

Part Number: SPZ-36233

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG C8.25-355 Chrysler 8.25 in. 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36009

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

Motive Gear Performance Ring and Pinion Sets G875342 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets AM20456 AMC Model 20 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-AM20456

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

Richmond Gear EXCel Ring and Pinion Sets D60513T Dana 60 5.13 Gears

Ring and Pinion, RP EXCEL DANA 60 5.13 THICK

Part Number: RMG-D60513T

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 Ten Factory Axle Shafts MG20651B

Axle Shaft, Direct Fit, 4340 Chromoly, 35-Spline, 11.625 in. Length, Ford, Each

Part Number: MGR-MG20651B

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 1541H Alloy Axles YA D660182-6

Axle Shaft, 35-Spline, 35.100 in. Length, Front, Inner, GM, Each

Part Number: YGA-21120

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 YG F7.5-273

High performance Yukon Ring & Pinion gear set for Ford 7.5" in a 2.73 ratio

Part Number: YGA-24335

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

Exedy Clutch USA Clutch Kits 06953A

CLUTCH KIT, SPORTS, ORGANIC DISC

Part Number: EXY-06953A

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

LuK Clutch Kits for 1975-1983 124, 1975-1978 131, 1978-1981 BRAVA - 6223306000

Clutch Kit, 0.938 in. - 20-spline, Organic Disc, Pressure Plate, Fiat, 1.8L, 2.0L, Kit

Part Number: LUK-19-007

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

Yukon Gear & Axle Ring and Pinion Gear Installation Kits BK D60-SUP

DIFFERENTIAL INSTALL KIT

Part Number: YGA-11127

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 Gear Installation Kits PK GM8.5OLDS

RING AND PINION GEAR INSTALLATION KITS, Yukon Pinion installation kits

Part Number: YGA-13071

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

Spicer Drivetrain Products Front Axle Shafts for 1974-1979 WAGONEER - 10007768

Chromoly Front Axle Shaft - Inner (Dana 44) LH

Part Number: SDH-10007768

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKD60-R

D60 REAR BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58042

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Yukon Gear & Axle Pinion Installation Kits PK D70-U

Yukon Pinion install kit for Dana 70-U differential

Part Number: YGA-13035

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

Dana Spicer Drivetrain Products Differential Covers 10048737

Differential Cover, 2007 & Up Wrangler JK Non-Rubicon Dana 30 Front Blue Nodular Iron - Performance (with hardware & Performance Gasket)

Part Number: SDH-10048737

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10046199

STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT - FORD 9 INCH AXLE

Part Number: SDH-10046199

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today