ARP hardware made by ARP to Feuling's exact specifications. Includes all hardware to bolt engine case halves together. Made of 12-point hardened stainless steel bolts with rolled threads. Polished and corrosion resistant finish. Tensile strength rated @ 170,000 psi. Superior to and stronger than OEM and grade 8 fasteners. Includes moly assembly lubricant for installation. OEM replacement reference 10200343. Kit includes: - 12 x stainless 12 point bolt 5/16 - 18 x 3.250". Made in the U.S.A.