Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loadingWide under-head flange design provides even load distribution for optimum sealing of surfaces - preventing leaksTensile strength rated @ 170,000 psi - superior & stronger than OEM & stronger than grade 8 fastenersQuality 12-point hardened stainless steel bolts with a SHOW corrosion-resistant finishIncludes lifter blocks, cam cover, oil filter adapter and crank sensor fastenersManufactured by ARP® to Feuling’s® exact specificationsIncludes moly assembly lubricant for installationMade in the USA