{"product_id":"arp-supra-m240-340-440-b58-ca625-head-stud-kit","title":"ARP BMW B58 CA625+ Head Stud Kit - M240i\/M340i\/M440i","description":"\u003cdiv data-processed=\"true\" data-hveid=\"CAEQAA\" data-sfc-cp=\"\" class=\"Y3BBE\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe ARP CA625+ Head Stud Kit (Part #203-4706) for the Supra\/M240\/340\/440 B58 engin\u003c\/span\u003e\u003cspan\u003ee is a high-performance upgrade featuring ARP's advanced CA625+ alloy, offering superior tensile strength (around 260 ksi) and corrosion resistance to prevent head gasket failure under high boost, ensuring reliable performance for heavily modified engines by providing consistent clamping force where factory bolts fail. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"15\"\u003eMaterial:\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e Made from ARP's proprieta\u003c\/span\u003e\u003cspan\u003ery \u003c\/span\u003e\u003cspan\u003eCA625+ super alloy\u003c\/span\u003e\u003cspan\u003e, offering exceptional strength and toughness.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"15\"\u003ePerformance:\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e Provides significantly higher clamping force than factory bolts, crucial for high-horsepower builds and preventing cylinder head lift.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"15\"\u003eDurability:\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e Highly resistant to corrosion and oxidation, ensuring long-term reliability.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e· \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"15\"\u003eApplication:\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e B58 engines in Supra\/M240\/340\/440 B58 Gen2 \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3\u003eConfirmed catalogue fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine families:\u003c\/strong\u003e B58\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW chassis:\u003c\/strong\u003e G42, F20, F21, F22, F23, F30, F31, F32, F33, F34, F36, G01, G02, G05, G06, G07, G11, G12, G14, G15, G16, G20, G21, G22, G23, G26, G29, G30, G31, G32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle models:\u003c\/strong\u003e M240i\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction years:\u003c\/strong\u003e 2013-2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e RWD, AWD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine build and installation guidance\u003c\/h3\u003e\u003cp\u003eEngine hardware must be matched to the exact engine version, machining specification, intended power level and complete rotating or valvetrain combination. Final clearances, fastener preparation, torque procedures, piston-to-valve clearance and calibration requirements remain the responsibility of the engine builder.\u003c\/p\u003e\u003cp\u003eDo not order from the engine-family label alone. Confirm the supplier part number, required machining, included components and compatibility with the remaining short-block, cylinder-head and induction hardware.\u003c\/p\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eSelect your exact BMW through MLAB My Garage and review the product options, included parts and installation requirements. Where a vehicle has been modified from its original engine, transmission or fuel-system specification, contact MLAB with the VIN and current hardware list so the combination can be checked before supply.\u003c\/p\u003e\u003ch3\u003eMLAB support\u003c\/h3\u003e\u003cp\u003eMLAB by Boost and Tune can assist with product selection, workshop installation and dyno calibration for supported BMW applications in Melbourne. Product availability and lead time should be confirmed when ordering supplier-built or special-order components.\u003c\/p\u003e","brand":"Engine Block Internals","offers":[{"title":"Default Title","offer_id":49899529863410,"sku":"MLAB-5E2FE25F0907","price":1800.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4825\/5986\/files\/bmw-toyota-30-b58-arp-ca625-cylinder-head-stud-kit-203-4706.jpg?v=1786137995","url":"https:\/\/mlab-boostandtune.com\/products\/arp-supra-m240-340-440-b58-ca625-head-stud-kit","provider":"M Lab by Boost \u0026 Tune","version":"1.0","type":"link"}