{"product_id":"arp-pro-series-1544005-cylinder-head-studs-with-hex-nuts","title":"ARP Pro Series 1544005 Cylinder Head Studs with Hex Nuts","description":"\u003cp\u003eARP uses a premium grade 8740 alloy, rated far superior to 'aircraft' quality, for their Pro Series cylinder head studs.\u003c\/p\u003e\u003cp\u003eEach stud is vertically placed in special racks and precisely heat-treated to 200,000 psi for complete heat penetration.\u003c\/p\u003e\u003cp\u003eThe studs are then centerless ground to achieve perfect concentricity, unlike lesser quality studs.\u003c\/p\u003e\u003cp\u003eBecause ARP studs are manufactured to such exacting tolerances, gaskets and cylinder heads literally glide into position and are perfectly aligned—something that won't occur with inferior quality head studs.\u003c\/p\u003e\u003cp\u003eBy being thread rolled after heat-treat, these studs have about 1000% (that's ten times) better fatigue strength than those that are threaded prior to heat-treat, a very common industry practice.\u003c\/p\u003e\u003cp\u003eIt costs significantly more to do it this way, as it's tough on tooling, but the results justify the extra effort.\u003c\/p\u003e\u003cp\u003eThis cylinder head stud kit comes complete with premium quality parallel ground washers and conventional hex style nuts for select Ford small block applications (289-302 with 351W head, 7\/16'-14 cylinder block thread M-6049-J302, SVO high port and M-6049-L302, AFR 185 Edelbrock aluminum, GT-40 style with insert 'T' washer).\u003c\/p\u003e","brand":"ARP Inc.","offers":[{"title":"Default Title","offer_id":51709121823002,"sku":"ARP154-4005","price":185.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/41FEy_1WnyL_03f9407b-15c0-439d-a6c4-dd5762dd9d2d.jpg?v=1771333556","url":"https:\/\/trybeepbeep.com\/products\/arp-pro-series-1544005-cylinder-head-studs-with-hex-nuts","provider":"TryBeepbeep","version":"1.0","type":"link"}