1979 CHEVROLET K20 Differential & Rear-End Components

Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 1/2-20 in. RH, GM, 10.5 in., 14 Bolt, 4.56 and Up Carrier, Each

Part Number: MGR-331421

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Pinion Shim

Part Number: MGR-1113

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Differential, Grip Pro Traction System, 30-Spline, Dana 44, Each

Part Number: PWT-GT434430

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Differential Carrier, Grip Lok, Mechanical Locker, 30 Spline, Dana 44, Rear, Each

Part Number: PWT-LK444430

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Estimated Ship Date: Nov 17, 2025 if ordered today

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SOLID PINION SPACER, 12 BOLT TRUCK

Part Number: MGR-4107

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Zip Locker Solenoid valve.

Part Number: YGA-34014

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: HUU-02-111

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Estimated Ship Date: Nov 19, 2025 if ordered today

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

Part Number: SPZ-58046

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Ring Gear Bolt, Hex Head, 3/8-24 in. Thread Size, Steel, Natural, Each

Part Number: YGA-33038

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

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Estimated Ship Date: Nov 13, 2025 if ordered today

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GM 8.5" 28spl 4340 FRONT AXLE KIT, w/ 297X, 79-87 1/2TON TRK & BLAZER

Part Number: SPZ-35064

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, Dana 44, Set

Part Number: MGR-D44-538

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Nov 13, 2025 if ordered today

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USA Standard mini spool for Dana 44 with 30 spline axles

Part Number: SPZ-59021

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Estimated Ship Date: Nov 13, 2025 if ordered today

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4340 Chromoly axle, 69-80 GM Truck & 71-77 Bronco, LH inner, uses 5-760X u/joint

Part Number: SPZ-35072

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Estimated Ship Date: Nov 13, 2025 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Zip Locker, Air Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-34020

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Yukon Zip locker install kit

Part Number: YGA-34026

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Spool, Full, Steel, 30-spline, 14-bolt, GM 10.5 in., 4.10 Gear Ratio and Down, Each

Part Number: YGA-32048

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Zip Locker switch.

Part Number: YGA-34015

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Differential Carrier, Zip Locker, Air Locker Style, 30-spline, Dana 44, Each

Part Number: YGA-34018

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Estimated Ship Date: Nov 28, 2025 if ordered today

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D44 NODULAR IRON YUKON DIFF COVER; PURPLE **LIMITED EDITION**

Part Number: YGA-13416

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Estimated Ship Date: Nov 28, 2025 if ordered today

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