{"product_id":"juego-de-cojinetes-de-biela-acl-race-acl-6b2955h-025-nissan-patrol","title":"ACL Race Connecting Rod Bearing Set ACL-6B2955H-.025 NISSAN Patrol","description":"\u003cp\u003eName: ARP 251-4703 Cylinder Head Studs Ford Focus RS MKII 2.5L 20v 5 Cyl \/ Volvo B5254\u003c\/p\u003e\n\n\u003cp\u003eBrand: ARP\u003c\/p\u003e\n\n\u003cp\u003ePart Number: ARP-251-4703\u003c\/p\u003e\n\n\u003cp\u003eCountry of Manufacture: United States\u003cbr\u003e\nIt’s no accident that virtually every top professional engine builder relies on ARP Pro Series head studs for their competition engines. Simply stated, there’s no better stud system\u003c\/p\u003e\n\n\u003cp\u003eon the market today. ARP exclusively uses premium grade 8740 alloy and a proprietary ARP2000 alloy, which are far superior to aircraft quality alloy steels. Additionally, each stud is placed vertically\u003cbr\u003e\nin special racks and precisely heat-treated to 190,000 psi for 8740 material and 220,000 psi for ARP2000 material. This procedure ensures complete heat penetration, and the results are far superior to those lesser quality studs from other manufacturers who simply dump parts in a basket and hope for the best. It’s important to note that lesser quality studs aren’t even centerless ground; the material is roll threaded (usually before heat treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you'll note that gaskets and cylinder heads literally slide into place and are perfectly aligned, something that does not happen with inferior quality head studs.\u003cbr\u003e\nUsing studs makes it a lot easier to assemble an engine (especially a competition engine that calls for frequent and rapid servicing), as the cylinder head and gasket are guaranteed to be in proper alignment.\u003c\/p\u003e\n\n\u003cp\u003eStuds also provide more accurate and consistent torque loading. Here’s why: when you use bolts to secure the head, the fastener is actually “twisting” while it’s being torqued to the proper specifications. Accordingly, the bolt is reacting to two different forces simultaneously. A stud should be installed in a “relaxed” mode; never crank it in tightly using a jam nut. If everything is right, the stud should be installed by hand. Then, when torquing the nut, the stud will stretch\u003cbr\u003e\nonly in the vertical axis. Remember that a shorter stud with undercutting will have a similar stretch rate as a longer standard shank stud. This provides a more even clamping force across the head.\u003c\/p\u003e\n\n\u003cp\u003eARP® - Automotive Racing Products is a manufacturer of fasteners\/bolts found in engines and drivelines from OEM replacement to specialty hardware for racing applications. ARP is the world leader in fastener technology. These range from high-performance, quality OEM replacement parts to specialty hardware for Formula 1, IndyCar, NASCAR, NHRA drag racing, and marine applications. To ensure optimal quality control, ARP has become exceptionally self-sufficient, now controlling all aspects of the manufacturing process. This is how ARP has managed to establish a reputation as a leading brand in the market.\u003c\/p\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":56969986670932,"sku":"ACL-6B2955H-.025","price":93.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1027\/4701\/3460\/files\/panewki-korbowodowe-acl-race-acl-6b2955h-025-nissan-patrol_7f64ffa8-e507-4212-a292-2fe9f227159b.jpg?v=1788427250","url":"https:\/\/www.thetunerlab.com\/en\/products\/juego-de-cojinetes-de-biela-acl-race-acl-6b2955h-025-nissan-patrol","provider":"Thetunerlab","version":"1.0","type":"link"}