L19 MAIN BOLT KIT (7/16 INCH) FOR TOYOTA SUPRA MK4 JZA80 2JZ-GTE

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MS Main Bolts are manufactured from L-19 material (which is stronger than standard 8740 chromemoly steel) that is heat treated to a tensile strength of 260,000 ksi and precision J-shape threads that are post-heat treated and rolled to form a fastener with incredibly strong threads. All kits come complete with hardened, parallel ground, aerospace grade washers and nuts.