1981 CHEVROLET K20 Transmission & Drivetrain

Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, Small/Big Block, Kit

Part Number: MCL-6911-07

4.44 out of 5 stars ( 9 )

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Bellhousing, Manual, Steel, Chevy, Big/Small Block, Each

Part Number: LAK-15000LKW

4.79 out of 5 stars ( 24 )

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Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

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Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, V8, Kit

Part Number: MCL-6921-07

5.0 out of 5 stars ( 3 )

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Bellhousing, Chevy to Muncie/BW T-10/Saginaw, Steel, Each

Part Number: LAK-77-150

4.71 out of 5 stars ( 14 )

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Clutch Kit, RST, 1 1/8 in. x 10-Spline, 9.688 in. Diameter Disc, Chevy, Small/Big Block, Kit

Part Number: MCL-6911-04

5.0 out of 5 stars ( 1 )

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Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

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Yukon front 4340 Chromoly axle kit for 1979-87 GM 8.5 in. 1/2 ton truck and Blazer

Part Number: YGA-21325

3.5 out of 5 stars ( 2 )

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Torque Converter, Nitrous Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20481

5.0 out of 5 stars ( 5 )

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Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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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 )

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Combo, Hurst, Shifter, Competition Plus, Installation Kit, Chevy, GMC, Muncie M-21, Kit

Part Number: CMB-13-0060

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Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20413

3.67 out of 5 stars ( 6 )

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Torque Converters, Twister Full Race, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D24F

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1 1/8 in. Input, 10-Spline, Organic, AMC, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RAM-50-2122

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

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Clutch, Street/Strip, General Motors, V6/L6, Each

Part Number: HAY-85-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Differential Carriers, Grip Pro Traction System, 33 Spline, 9.5 in. GM, Each

Part Number: PWT-GT209533

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Lever, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1103

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

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