ARP MAIN STUD KIT TOYOTA YARIS 1NZFE DOHC 203-5408

ARP Pro Series cylinder main stud kits are used by top professional engine builders throughout the world, with good reason. Manufactured from premium grade 8740 alloy, precisely heat treated and then ground and thread rolled. This procedure is used to give a fatigue strength 10 times higher than studs produced in other ways.

ARP Pro series cylinder main studs assure optimum gasket sealing making them ideal for high compression race engines or turbo / super charged engines running high boost level.

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