1978 Transmission & Drivetrain

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36185

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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SUPER KIT

Part Number: PIO-753026

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24140

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

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Flywheel, Aluminum, 12.0 lbs. 153-Tooth, Internal/External Engine Balance, Chevy, Each

Part Number: MCL-560300

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Pressure Plate, Centerforce II, Diaphragm-Style, 11 in. Disc Diameter, Each

Part Number: CTF-CFT361800

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Flywheel, Aluminum, 12.0 lbs., 168-Tooth, Internal/External Balance, Chevy, Each

Part Number: MCL-560132

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears, 10-bolt, 28-spline, 3.70:1 Ratio, Standard Rotaion, Ford 9 in., Set

Part Number: MGR-F9-370

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Axle Shaft, Rear, 6 x 5.50 in. Bolt Circle, GM, Each

Part Number: HUU-02-116

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Gear, Ring and Pinion, 3.92:1 Ratio, Dana 44, Set

Part Number: MGR-D44-392

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Drive Chain, Transfer Case Component, Borg Warner 1339, Jeep, Each

Part Number: CWA-8122392K

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Gear, Ring and Pinion, 4.55:1 Ratio, Dana 44, Set

Part Number: SDH-22105-5X

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24095

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Gear, Ring and Pinion, 3.73:1 Ratio, Dana 35, Set

Part Number: MGR-D35-373

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Ring and Pinion

Part Number: MGR-GM75-323

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Flexplate, 130 Tooth, Internal Balance, Steel, Dodge, Each

Part Number: QTI-RM-948

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24039

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Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Reverse Ring Gear Rotation, Dana 44, Dana 44 IFS, Set

Part Number: YGA-24057

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Yukon standard open carrier case, Dana 60, 4.56 & up

Part Number: YGA-20046

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Estimated Ship Date: Apr 22, 2026 if ordered today

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USA Standard Master Overhaul kit for the GM 8.5 front differential

Part Number: SPZ-37056

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Clutch Kit, Powergrip, Metallic/Organic, 1.188 in.- 18-Spline, 10.5 in. Disc, Chrysler. Dodge, Plymouth, Kit

Part Number: RAM-98392

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

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