1979 CHEVROLET K20 Transmission & Drivetrain

Throwout Bearing, Hydraulic, Each

Part Number: CTF-601878

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900681

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit

Part Number: SPZ-37008

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set

Part Number: SPZ-36182

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.875 in. Truck, Set

Part Number: MGR-GM12-342

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, Kit

Part Number: CTF-DF024909

4.8 out of 5 stars ( 5 )

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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: Nov 10, 2025 if ordered today

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Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Gear, Ring and Pinion, 3.07:1 Ratio, Dana 44, Standard Rotation, Set

Part Number: MGR-D44-307

4.8 out of 5 stars ( 5 )

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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: Nov 24, 2025 if ordered today

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

Part Number: YGA-24137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: 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: Nov 10, 2025 if ordered today

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Flywheel, Billet Steel, Low Inertia, 168-tooth, 20.85 lbs., Internal Balance, Chevy, Big Block, Small Block, Each

Part Number: CTF-600120

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900721

3.67 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Thick, Set

Part Number: YGA-24034

2.67 out of 5 stars ( 3 )

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SUPER KIT

Part Number: PIO-753026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Flywheels, Billet Aluminum, 168-tooth, 14 lbs., Internal Engine Balance, SFI 1.1, Chevy, Each

Part Number: HAY-20-130HYS

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

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

Part Number: SVL-2023932

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Estimated Ship Date: Nov 7, 2025 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: Nov 24, 2025 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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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT410T

4.5 out of 5 stars ( 2 )

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Ring and Pinion Gears, EXCel, Dana 44, 4.09:1 Ratio, 26-spline, Standard, for 3.92 or Numerically Higher Ratio Carrier, Front, Dana 44, Ford, Set

Part Number: RMG-D44409

1.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36041

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