1981 CHEVROLET K20 Transmission & Drivetrain

Flywheel Counterbalance Weights, GM, Sold as a Kit

Part Number: MCL-560222

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Locking Hubs, Manual, Street Master, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: MMK-302

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Clutch Fork, Steel, Zinc Chromate, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: LAK-15500

3.14 out of 5 stars ( 22 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., 30-Spline Pinion, Kit

Part Number: MGR-R10REMKT

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Clutch Kit, Street/Strip, Organic, 1 1/8 in.-10-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Kit

Part Number: HAY-85-103

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clutch Kit, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Checker, Chevy, GMC, Pontiac, Kit

Part Number: LUK-04-064

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-342

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Universal Joint, Spicer 1350 Style, Greasable, Steel, Each

Part Number: SUM-732002

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

Differential Cover, Aluminum, Natural, Finned, B&M Logo, GM 10.5 in., 14-Bolt Cover, Each

Part Number: BMM-70501

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Flywheel, 90.9mm Crankshaft Bolt Circle, 12mm Bore, 320mm Pressure Plate Bolt Circle, Dual Pattern, 63mm Pilot I.D., 30.2mm Thick, No Dowels, GM, Each

Part Number: LUK-LFW101

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

Bearing Race, Steel, 3.813 in. O.D., 0.625 in. Width, Outer Wheel, Each

Part Number: TMK-382A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: 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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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 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 30 Spline, GM 10.5 in., 14-Bolt, Truck, Kit

Part Number: YGA-14070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier Bearings, Steel, GM 8.5 in., Kit

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-6902041

Not Yet Reviewed

Estimated Ship Date: Today

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Flexplate, Gold Series, 153-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, Chevy, Small Block, GM V6, Each

Part Number: PQX-1835002

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential, Lock-Right, Locker, 30-Spline, GM, 10.5 in., Each

Part Number: PWT-1955-LR

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each

Part Number: MOG-534G

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

• $20 Summit Bucks

Axle Bearing, Each

Part Number: TMK-25590

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Flexplate Dust Shield, Steel, Chrome, Chevy, 700R4, Each

Part Number: MRG-5135

2.25 out of 5 stars ( 8 )

Estimated Ship Date: Today