1981 CHEVROLET K20 Transmission & Drivetrain

Clutch Kit, Street Twin, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit

Part Number: MCL-6400107

4.0 out of 5 stars ( 1 )

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

Part Number: ARB-RD166

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Clutch Kit, RXT 1200, 1.125 in. - 26-spline, Ceramic Disc, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: MCL-6921-07HD

5.0 out of 5 stars ( 1 )

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Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

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

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

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Clutch Kit, Force 9.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Small Block, Kit

Part Number: RAM-75-2125S

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Clutch Kit, Street Twin, 1.125 in. - 26-spline, Sintered Bronze Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit

Part Number: MCL-6400107M

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Clutch Kit, Magnum Force, 1.125 in.-26, Aluminum Flywheel, 8.0 in. Disc, Circle Track, Road Race, Kit

Part Number: MCL-651002-00-07

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

Part Number: ARB-RD167

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Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Chevy, Kit

Part Number: CTF-412614820

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DIFFERENTIAL

Part Number: MGR-MGK-213

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545022

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1004

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D36F

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Hydraulic Throwout Bearing Conversion Kits, Hydramax Hydraulic Clutch Release Systems, Blue Aluminum Slave Cylinder, Reservoir, Chevrolet, GMC, Kit

Part Number: AWR-HMGM40006

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Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D28F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Clutch Kit, Street Twin Clutch, Two Discs, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Billet Aluminum Flywheel, Chevrolet, Kit

Part Number: MCL-6300307M

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-214

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D32F

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120N

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Clutch Kit, Street Twin, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit

Part Number: MCL-6400307

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RING AND PINION

Part Number: MGR-MGK-211

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Estimated Ship Date: Mar 9, 2026 if ordered today

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