{"product_id":"arp-head-studs-part-no-209-4302","title":"ARP cylinder head studs for Opel 2.5L V6 (standard studs) - 209-4302","description":"\u003cp\u003eThis ARP 209-4302 kit replaces the cylinder head bolts on the Opel 2.5L V6 (standard bolts) with studs. It is one of the first upgrades performed on an engine that is going to be tuned for more power, as the head gasket is one of the first points to fail.\u003c\/p\u003e\u003cp\u003eThey are manufactured from 8740 chrome-moly steel, heat-treated in-house by ARP to a tensile strength of approximately 190,000 psi. The threads are rolled after the heat treatment, which gives ARP studs superior fatigue strength, and the final precision grinding ensures that the cylinder head and gasket seat perfectly aligned during installation.\u003c\/p\u003e\u003cp\u003eTighten following ARP's sequence and torque specifications using their assembly lubricant, as the torque values provided are designed specifically for it. If you have any doubts about whether this is the correct part number for your engine, please write to us with your engine code and year.\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":53893663162702,"sku":"ARP-209-4302","price":378.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/7329\/0062\/files\/209-4302.jpg?v=1790662680","url":"https:\/\/driftandgrip.com\/en\/products\/arp-head-studs-part-no-209-4302","provider":"Drift \u0026 Grip","version":"1.0","type":"link"}