203-4101 | ARP Toyota 1NZFE 1.5L ARP2000 Head Stud Kit
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Head Stud Kit
Toyota 1NZFE 1.5L DOHC 4-cylinder
Socket Size(s) 8mm tri-square, internal, 4mm Allen
When you upgrade the performance of your Toyota engine, many times you will exceed the capabilities of the factory hardware. ARP has the solution for you. Made out of premium grade ARP2000 material, these studs have a strength rated far superior to OE and "aircraft" quality bolts. This material is heat treated to provide a tensile strength in the 220,000 psi range and is an excellent choice for building your high revving all motor, or forced Induction application.