{"product_id":"cylinder-head-bolt-tdv6-engine-ag-parts","title":"Cylinder Head Bolt - TDV6 Engine - AG PARTS","description":"\u003cp class=\"first:mt-1.5!\"\u003eThis AG PARTS \u003cstrong\u003ecylinder head bolt\u003c\/strong\u003e is a critical high-tensile structural fastener specifically engineered to ensure a rigid and completely sealed clamping interface between the cylinder head and engine block. Manufactured from heat-treated alloy steel to endure extreme tensile loads, thermal cycling, and internal combustion pressures, it conforms strictly to the torque-to-yield specifications defined by original engineering guidelines. Due to repeated mechanical stress and operating heat, original cylinder head bolts experience permanent plastic elongation, meaning their re-use significantly compromises head gasket sealing efficiency and leads to \u003cstrong\u003ecompression leaks\u003c\/strong\u003e, coolant contamination, or cylinder head distortion. Installing brand-new fasteners provides \u003cstrong\u003euniform clamping force distribution\u003c\/strong\u003e, restoring optimum mechanical compression and guaranteeing long-term reliability throughout any professional engine rebuild or cylinder head overhaul procedure.\u003c\/p\u003e\r\n\u003cp class=\"first:mt-1.5!\"\u003eCompatible with Land Rover Discovery 3, Land Rover Discovery 4, Range Rover L322, Range Rover Sport L320 and Range Rover Sport L494.\u003c\/p\u003e","brand":"AG PARTS 4x4","offers":[{"title":"Default Title","offer_id":57624160797052,"sku":"1331316R","price":3.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/7825\/4353\/files\/a3abukyg_1331316r.jpg?v=1791541956","url":"https:\/\/landycars.com\/products\/cylinder-head-bolt-tdv6-engine-ag-parts","provider":"Landy Cars","version":"1.0","type":"link"}