{"product_id":"arp-main-stud-conversion-kit-e46-m3","title":"E46 M3 S54 ARP Main Stud Kit - ARP-200-4102","description":"\u003cp\u003eFor E46 M3s running S54 engines - especially those chasing stage 2, track day or fast road reliability - the ARP-200-4102 main stud kit replaces factory stretch bolts with precision 8740 chromoly studs, heat treated to 200,000 psi.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-fit for S54 only\u003c\/strong\u003e - no compatibility with N52, N54 or N55; not for E90\/E92 M3 (S65)\u003c\/li\u003e\n\u003cli\u003eJ-form threads rolled \u003cem\u003eafter\u003c\/em\u003e heat treatment - critical for fatigue resistance at 8,500+ rpm\u003c\/li\u003e\n\u003cli\u003eIncludes parallel-ground washers and ARP 12-point nuts - full conversion, zero extras needed\u003c\/li\u003e\n\u003cli\u003eReduces main cap walk and crank flex under load - proven on high-boost S54 builds and race-spec bottom ends\u003c\/li\u003e\n\u003cli\u003eSearch terms this actually matches: \u003cstrong\u003eE46 M3 S54 main studs\u003c\/strong\u003e, \u003cstrong\u003eS54 stage 2 fasteners\u003c\/strong\u003e, \u003cstrong\u003eARP 200-4102 UK\u003c\/strong\u003e, \u003cstrong\u003etrack day S54 bottom end\u003c\/strong\u003e, \u003cstrong\u003efast road E46 M3 main studs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cuz Race Cars","offers":[{"title":"Default Title","offer_id":54381455180119,"sku":"ES2576280","price":201.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/studconversion__29778.1536054321_a50efa13-069a-43d5-a7d8-8a12ac2fb3dc.jpg?v=1787133881","url":"https:\/\/cuzracecars.com\/products\/arp-main-stud-conversion-kit-e46-m3","provider":"Cuz Race Cars","version":"1.0","type":"link"}