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Torque Converter/FlexPlate Bolt (Screw), fits GM TH350 TH400#3987930 (3/8"-16 x 0.570) TH-350/400

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US$9.87 cheaper than the new price!!

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Product details

Management number 226025980 Release Date 2026/05/09 List Price US$6.58 Model Number 226025980
Category

Perfect for High-Performance, racing, Heavy-Duty and Regular-Duty applications

  • Industry Part ID: 3987930, B-64, B64, 35996
  • Made in the USA from heavy-duty, heat-treated alloy steel
  • Includes 3 bolts. These bolt kits are the strongest bolts you can get to attach your torque converter and are used in competitions. The bolts are fully heat treated prior to thread rolling and machining.
  • Dimensions: 3/8"-16, Length: 0.570"
  • Fits the following Turbo Hydramatic (THM) Transmission Torque Converter Applications: General Motors TH350 Buick, Oldsmobile, Pontiac (Includes TH300) General Motors TH400 3L80, Allison AT540, 310mm Allison AT540, 310mm, TH-400 (TH400, THM-400, THM400) 3L80/3L80HD 1973-82 Corvette, Camaro & Nova Chevelle. 3L80, 3L80HD, 3L8O, 3L8OHD. Flexplate / Flywheel
ASIN B01MT8ZGIJ
Brand Tri Component
Color Black
Model B-64K-3
Set Name 3
Head Type Hex
Size Name 3/8'-16
Metal Type Alloy Steel
Unit Count 1 Count
Part Number B-64K-3
Thread Size 3/8'-16
Thread Type Unc
Drive System Rear-Wheel Drive
Manufacturer Tri Component
Thread Class Standard
Thread Style Right Hand
Fastener Size 3/8'-16
Fastener Type Swing Bolt
Item Diameter 0.38 Inches
Item Hardness Grade 2
Material Type Alloy Steel
Exterior Finish Unfinished
Thread Coverage Fully Threaded
Number of Pieces 3
Screw Head Style Flat
Manufacturer Grade Grade 2
Maximum Shear Strength High
Compatible Groove Diameter 0.38 Inches

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