{"product_id":"arp-pro-series-1554001-cylinder-head-studs-with-hex-style-nuts-for-select-ford-big-block-applications","title":"ARP Pro Series 1554001 Cylinder Head Studs, With Hex Style Nuts, For Select Ford Big Block Applications","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 placed in special racks vertically and precisely heat-treated to 200,000 psi for complete heat penetration.\u003c\/p\u003e\u003cp\u003eThe studs are then centerless ground to make them as close to perfectly concentric as possible, unlike lesser quality studs.\u003c\/p\u003e\u003cp\u003eBecause ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned -- something that won't happen 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 a lot more to do it this way, because it's tough on tooling, but the results are well worth 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 big block applications (390-428 cid FE series, also Edelbrock).\u003c\/p\u003e","brand":"ARP Inc.","offers":[{"title":"Default Title","offer_id":51709125656858,"sku":"ARP155-4001","price":197.21,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61vkcPYvSFL.jpg?v=1771333857","url":"https:\/\/trybeepbeep.com\/products\/arp-pro-series-1554001-cylinder-head-studs-with-hex-style-nuts-for-select-ford-big-block-applications","provider":"TryBeepbeep","version":"1.0","type":"link"}