ARP 5/16-24 X 3.500 black hex water pump pulley w/ 2.250" fan spacer stud kit Part # 100-3211ARP 100-3211SKU: ARP 100-3211$23.64PriceOut of StockMANUFACTUREARP FastenersAVAILABLITYPre-Order � Non Stocking ItemMaterial8740 Chrome MolyFinishBlackMANFACTURE DISCRIPTION5/16-24 X 3.500 black hex water pump pulley w/ 2.250" fan spacer stud kit