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Header Bolts for Mustang or F150 Headers

Header Bolts for Mustang or F150 Headers

Although headers will fit on your vehicle with the factory studs, some people like to upgrade to header bolts for ease of install and security. This is the kit you need. Fits all stock and aftermarket headers.

We use grade 10.9 metric bolts, manufactured using medium carbon steel, medium carbon steel alloy and low carbon boron steel that has been quenched and tempered. Metric 10.9 bolts exhibit high tensile strength and good wear resistance. Our metric grade 10.9 bolts meet ASTM A324 grade BD and SAE J429, grade 8 standards. The yield strength of the bolts is 940 and the tensile strength is 1040 MPa.