1979 CHEVROLET K20 Transmission & Drivetrain

USA Standard Gear standard spider gear set for GM 10.5" 14 bolt truck

Part Number: SPZ-39022

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Estimated Ship Date: Monday 10/27/2025

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Set

Part Number: YGA-24167

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Estimated Ship Date: Monday 10/27/2025

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CLUTCH

Part Number: CTF-KCFT240916

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Estimated Ship Date: Monday 10/27/2025

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Yoke, Differential Location, 30-spline Inner, Steel, Rear, GM 10.5 in. (14-bolt), Each

Part Number: YGA-41180

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Ring & Pinion Gear, 4.88 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24138

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Automatic Shifter, Megashifter, Right Hand Drive Models, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80685

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373T

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: SDH-22105-5X

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Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 44, Set

Part Number: MGR-D44-456

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Ring and Pinion Installation Kit, Master Kit, GM, 10.5 in., Kit

Part Number: MGR-R14RMKH

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 30 Spline, 10.500 in. Ring Gear, GM 14 Bolt, Set

Part Number: YGA-24135

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Estimated Ship Date: Monday 10/27/2025

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Yukon hardcore drive flange kit for Dana 44, 19 spline outer stubs. Non-engraved caps..

Part Number: YGA-29079

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Flywheel, PQx, Billet Steel, 153-tooth, 29.000 lbs., SFI 1.1, External Engine Balance, Chevy, 383, 400, Each

Part Number: PQX-1640071

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

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Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.54:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24030

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Estimated Ship Date: Nov 26, 2025 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 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MGR-GM12-373X

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Estimated Ship Date: Monday 10/27/2025

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,400 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B24Q

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Estimated Ship Date: Monday 10/27/2025

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Axle Shaft, OEM Replacement, Front Inner and Outer, Driver Side, 1541H Alloy Steel, 28/19-spline, 45.400 in. Length, GMC, Each

Part Number: MGR-GM10FAXL

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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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: Monday 10/27/2025

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