CHEVROLET K20 Transmission & Drivetrain

Clutch Kit, Hays Street 450 Clutch, 10-spline, 12 in. Disk, Diaphragm Pressure Plate, Chevy/GMC, Kit 10-spline

Part Number: HAY-91-1006

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-126

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.60 in. Diameter, 10.750 in. Bolt Circle, THM350, Chevy, Each

Part Number: HAY-97-1B42F

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Estimated Ship Date: Oct 3, 2025 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: Oct 3, 2025 if ordered today

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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: Oct 3, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each

Part Number: HAY-97-1D24Q

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Estimated Ship Date: Oct 3, 2025 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: Oct 3, 2025 if ordered today

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Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-920

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, Street/Strip, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E32Q

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 3, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 27-spline, 9.600 in. Diameter, Balanced, TH200-4R, THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1F28Q

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Estimated Ship Date: Oct 3, 2025 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: Oct 3, 2025 if ordered today

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Flywheel, Steel, 168-Tooth, 40 lb., External Engine Balance, Chevy, Big Block, 454, Each

Part Number: HAY-10-245

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Estimated Ship Date: Oct 1, 2025 if ordered today

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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: Oct 1, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B28Q

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Estimated Ship Date: Monday 9/15/2025

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Flexplate, 153 Tooth, Internal Balance, 1-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-925

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, Performance, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1005

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Estimated Ship Date: Monday 9/15/2025

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Hays Street 450 Clutch 10.5" 70-84 Chevy/Pontiac/Olds V8, 26-spline, Kit

Part Number: HAY-91-1003

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Estimated Ship Date: Oct 3, 2025 if ordered today

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

Part Number: HUU-02-128

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Estimated Ship Date: Oct 6, 2025 if ordered today

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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: Oct 6, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-114

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit

Part Number: HUU-02-120

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Estimated Ship Date: Monday 9/15/2025

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

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Estimated Ship Date: Monday 9/15/2025

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

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Estimated Ship Date: Oct 3, 2025 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: Sep 30, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, THM350C, Chevy, Each

Part Number: HAY-97-1C28Q

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 3, 2025 if ordered today

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