1981 CHEVROLET K20 Transmission & Drivetrain

Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

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Estimated Ship Date: Mar 10, 2026 if ordered today

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U-Joint "Super Strength 1310-WJ Style, Greasable, Steel, Each

Part Number: MOG-377

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD167

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Pinion Yoke, Steel, Spicer 1310 Type, 30-Spline, GM, 8.5 in., Kit

Part Number: YGA-41086

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each

Part Number: YGA-42021

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Wheel Bearing Seal, Front Inner, Chevy, GMC, Ford, Jeep, Each

Part Number: TMK-416273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-127

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Automatic Transmission Bushing, 2.004 in. O.D., 0.605 in. Length, BMW, Buick, Cadillac, Chevy, GMC, Isuzu, Jeep, Olds, Opel, Pontiac, Suzuki, Each

Part Number: DUR-44034

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Flywheel, Steel, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Big, Small Block, Each

Part Number: HAY-10-130

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit

Part Number: RNB-81050

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ring and Pinion Installation Kit, Master Kit, GM, 9.5 in., Kit

Part Number: MGR-R95GRMK

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, Open, Empty, 30-Spline, GM, 10.5 in.,4.10 & lower ratio, Each

Part Number: MGR-6258336

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Bushing, Pilot, Bronze, Buick, Olds, Pontiac, Jeep, Eagle, Chevy, GMC, Each

Part Number: SKF-B656

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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: Mar 10, 2026 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 2/23/2026 if shipped by air

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Clutch Kit, RXT, 1 1/8 in. x 10-Spline, Chevy, Small/Big Block, 166/168 tooth Flywheel, Kit

Part Number: MCL-6921-04

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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 2/23/2026 if shipped by air

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Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, GM, Each

Part Number: CTF-DF383735

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, Pickup, SUV, Kit

Part Number: HAY-90-103

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM105456TK

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Universal Joint, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-45U0103

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Carrier Rebuild Kit, GM 10.5 in. (14-Bolt), Rear, Open Carrier, Dura Grip, Chevy, GMC, Kit

Part Number: YGA-16167

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Estimated Ship Date: Mar 23, 2026 if ordered today

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