{"product_id":"main-bolt-kit-arp-123-5201","title":"Main Bolt Kit ARP (123-5201)","description":"\u003cp\u003eThere are many important reasons to use ARP main stud kits, including the elimination of fretting and main cap walk, as well as protecting the threads in your engine block.\u003c\/p\u003e\u003cp\u003eAll kits come complete with high quality nuts and hardened parallel-ground washers.\u003c\/p\u003e\u003cp\u003eSome applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to securely position the windage tray and lock it in place.\u003c\/p\u003e\u003cp\u003eThe studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000 stronger than others.\u003c\/p\u003e\u003cp\u003eFar superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders.\u003c\/p\u003e\u003cp\u003eForged from 8740 chrome moly, all bolts feature rolled threads and generous under-head radius for the utmost reliability.\u003c\/p\u003e\u003cp\u003eThe threads are rolled after heat-treating, which makes them about 1000 longer fatigue life than most main bolts, which are threaded prior to heat-treating.\u003c\/p\u003e\u003cp\u003eAvailable in the popular High Performance Series, which, at a nominal rating of 180,000 psi, is a premium replacement for OEM fasteners, or the 200,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head designed for use in competition applications.\u003c\/p\u003e\u003cp\u003eParallel-ground, hardened washers are included with each kit.\u003c\/p\u003e","brand":"ARP Inc.","offers":[{"title":"Default Title","offer_id":51709076341018,"sku":"ARP123-5201","price":87.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/41dMxWcmt9L.jpg?v=1771331576","url":"https:\/\/trybeepbeep.com\/products\/main-bolt-kit-arp-123-5201","provider":"TryBeepbeep","version":"1.0","type":"link"}