Car enthusiasts and mechanics, if you're doing header work and tired of dealing with subpar hardware, this ARP bolt kit is exactly what you need! The 3/8 x 1.000 inch size with 5/16 hex head is perfect for most header applications, and the black oxide chrome moly construction is seriously tough stuff. We're talking about 170,000 psi tensile strength here - that's substantially stronger than your typical Grade 8 hardware and way more reliable than the cheap bolts that often come with aftermarket headers. The black oxide finish provides decent corrosion resistance while giving that professional, clean look under the hood. What's really nice is that these are designed specifically for header applications, meaning they can handle the extreme heat cycles that headers go through without loosening or failing. The kit comes with 16 bolts, which covers most V8 applications with plenty to spare. The quality is exactly what you'd expect from ARP - precision machining, consistent thread quality, and that premium feel that tells you these aren't going to strip out or break when you're torquing them down. Whether you're building a performance engine, replacing worn header bolts, or just want peace of mind that your exhaust isn't going to develop leaks, these ARP bolts deliver that professional-grade reliability. Seriously, if you're investing in quality headers, it makes zero sense to cheap out on the bolts that hold them on - this ARP kit ensures your header installation stays secure through heat cycles, vibration, and years of use.
Free 30-day returns 
Free 30-day returns
