{"product_id":"eti-titanium-oil-cap","title":"ETi Titanium Oil Cap","description":"\u003cp\u003eETi Titanium Oil Cap for the FD3S — M35x4.0 thread spec for the 13B rotary, machined from Grade 5 Ti-6Al-4V billet. The detail piece that finishes a built engine bay.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade 5 Ti-6Al-4V titanium billet\u003c\/strong\u003e — aerospace spec, full strength rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM35x4.0 thread\u003c\/strong\u003e — correct spec for the 13B rotary. Direct OEM thread match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined finish\u003c\/strong\u003e — not stamped, not cast. Proper billet construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnurled grip\u003c\/strong\u003e — hand-tighten without tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-ring seal\u003c\/strong\u003e — standard rubber seal, replaceable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Upgrade\u003c\/h2\u003e\n\u003cp\u003eStock FD oil caps are plastic and crack over time, especially on engines running hotter than factory spec. The titanium replacement never cracks, looks correct, and has the thread spec the rotary actually uses (M35x4.0 — unique to the 13B, not interchangeable with most JDM caps on the market).\u003c\/p\u003e\n\n\u003ch2\u003eFinish Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurnt\u003c\/strong\u003e — heat-treated rainbow oil-slick finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack\u003c\/strong\u003e — stealth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaw Polished\u003c\/strong\u003e — mirror polished bare titanium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodize\u003c\/strong\u003e — Purple, Gold, Silver, Green.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1992-2002 Mazda RX-7 (FD3S) — 13B-REW\u003c\/li\u003e\n\u003cli\u003eFC RX-7 (13B series 4\/5)\u003c\/li\u003e\n\u003cli\u003eM35x4.0 thread — verify before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eShipping \u0026amp; Delivery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIn stock — 2-4 day processing\u003c\/li\u003e\n\u003cli\u003eShipped worldwide via DHL or FedEx\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eQuestions on thread spec or finish? DM us — we answer.\u003c\/em\u003e\u003c\/p\u003e","brand":"Elite Ti","offers":[{"title":"Burnt","offer_id":48395281563929,"sku":"FDC01","price":125.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":48395281596697,"sku":"FDC02","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8362\/1657\/files\/shopify_2_729c7096-84ef-4c39-9333-7389b166c586.jpg?v=1783560379","url":"https:\/\/myeliteti.com\/products\/eti-titanium-oil-cap","provider":"Elite Ti","version":"1.0","type":"link"}