Brand new in the box. PLEASE READ ALL INFORMATION BELOW THE DOTTED LINE FOR COMPLETE COMPATIBILITY INFORMATION BEFORE ORDERING. Please note we found this information online. We are not a licensed reseller or warehouse. Engineered to unleash more performance out of your vehicle. Indestructible Tensile Strength: This head stud kit has an Intuitive design combined with specially formulated steel alloy ensuring that these studs have incredibly strong tensile strength compared to standard bolts. Kit Includes: Our head stud bolt kit has 18 head studs, 18 nuts, 18 hardened parallel washers, 4 rocker bolts and the instructions manual. Hardened parallel washers allow for uniform load distribution and accurate torque readings. Optimum Design: Broached stud ends deliver a straightforward design that is quick and easy to install. Head studs are designed to retain cylinder seals even with today’s extremely high-pressure turbo systems. These studs far exceed the clamping forces provided by standard head bolts. Easy Installation: This cylinder head kit needs proper installation. It includes manual as illustrated, step-by-step instructions so you can get your vehicle back on the road quickly.