Boost your build's durability with ARP 611-0515 polished stainless steel 12-point bolts, featuring 170,000 psi tensile strength and superior corrosion resistance for demanding applications. These 5/16-18 x 0.515" underhead length bolts ensure even clamping and vibration-proof performance—ideal for valve covers, brackets, or accessories. Outlast Grade 8 hardware with a show-quality finish; USA-made precision for easy, reliable installs.
