{"product_id":"arp-head-studs-part-no-203-4304","title":"ARP Cylinder Head Studs for Toyota 4A-GE 20V (ARP 2000) - 203-4304","description":"\u003cp\u003eThis ARP 203-4304 kit replaces the Toyota 4A-GE 20V cylinder head bolts (ARP 2000) with studs. It is one of the first upgrades made to an engine that is going to have its power increased, as the head gasket is one of the first points to fail.\u003c\/p\u003e\u003cp\u003eThey are manufactured from ARP2000, an ARP-proprietary alloy that reaches a tensile strength of about 220,000 psi and maintains its properties better at temperature than chrome-moly. Each stud is centerless ground after heat treatment so that it is perfectly concentric, ensuring the gasket and cylinder head are installed in alignment, and the threads are rolled after heat treatment, which ARP states increases fatigue strength by a factor of twenty.\u003c\/p\u003e\u003cp\u003eTighten following ARP's sequence and torque specifications using their assembly lubricant, as the torque values provided are designed for it. If you have any questions 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":53893683675470,"sku":"ARP-203-4304","price":266.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/7329\/0062\/files\/203-4304.jpg?v=1790662667","url":"https:\/\/driftandgrip.com\/en\/products\/arp-head-studs-part-no-203-4304","provider":"Drift \u0026 Grip","version":"1.0","type":"link"}