1978 Transmission & Drivetrain

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

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Ring and Pinion Kit

Part Number: RMG-D44456

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

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Differential Pinion Yoke, 1410, U-Bolt Style, 29 Spline, Steel, Dana 60, 70-U, Each

Part Number: YGA-41031

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Pressure Plate, Centerforce II, Diaphragm-Style, 10 in. Disc Diameter, Each

Part Number: CTF-CFT360030

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Ring & Pinion Gear Set Dana 70 / 3.54 Ratio

Part Number: SVL-2021406

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Ring & Pinion Gear Set Dana 60 / 3.73 Ratio

Part Number: SVL-2021412

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Spool, Performance, Full, Steel, 30-spline, Dana 44, Each

Part Number: SDH-2023397

5.0 out of 5 stars ( 1 )

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Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in

Part Number: YGA-21716

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36026

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Flywheel, Billet Steel, 164-Tooth, 30 lb., External Engine Balance, SFI 1.1, 4.610 in. Crank Register, AMC, Jeep, Each

Part Number: PQX-1630482

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Estimated Ship Date: Jun 3, 2026 if ordered today

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Clutch Kit, Stock Replacement, 1.125 in. - 10-spline Input, Heavy-duty Disc, 12.00 in. Diameter, Pressure Plate, Checker, Chevy, GMC, Pontiac, Kit

Part Number: SXR-K1909-02HD

4.0 out of 5 stars ( 2 )

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Flywheel, Billet Steel, 153-Tooth, Internal Engine Balance, 35.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1555

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-4900381

5.0 out of 5 stars ( 1 )

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Pressure Plate, Centerforce I, Diaphragm-Style, 10.4 in. Disc Diameter, Each

Part Number: CTF-CF361739

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Axle Shaft, OEM Replacement, Front Inner and Outer, Passenger Side, 1541H Manganese, 28/19-spline, 29.090 in. Length, GMC, Kit

Part Number: MGR-GM10FAXR

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Ring & Pinion Gear, 3.73 Ratio, GM 8.20 in., Corvette, Set

Part Number: YGA-24174

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Ring and Pinion Kit

Part Number: RMG-D30456

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 29-spline, Standard Rotation, Installation Kit, Dana 60, Kit

Part Number: SDH-25127-5X

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Estimated Ship Date: May 7, 2026 if ordered today

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REAR DRIVESHAFT

Part Number: RNB-976-912

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Spider Gears, Side Gears, Cross Shaft Pin, Yukon Dura Grip Carrier Style, Rear, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16039

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Estimated Ship Date: May 4, 2026 if ordered today

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Clutch Disc, 600-Series, Ceramic, 1 in.- 23 Spline, 11.0 in. Diameter, Each

Part Number: MCL-260621

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Estimated Ship Date: May 4, 2026 if ordered today

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Differential Carrier, Open, Ford 8.8 in., 31 Spline, Complete w/Spider Gears, Each

Part Number: YGA-20070

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, Series 3 Carrier, GM 7.5/7.6 in., Set

Part Number: YGA-24483

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Estimated Ship Date: Apr 24, 2026 if ordered today

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