{"product_id":"rm-engineering-gt4-rs-roof-fin-for-toyota-a90-supra","title":"Ridgeline Motorsport Toyota GR Supra A90 \/ A91 GT4+ RS Carbon Roof Fin","description":"\u003cdiv class=\"pit-rm-pdp\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe RM Engineering GT4+ RS roof fin follows the A90\/A91 Supra roof and rear-glass centerline in two sections. It was developed as part of the GT4+ EVO rear aero configuration, upstream of the rear wing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eDesign and construction\u003c\/h2\u003e\n\u003cp\u003eIts design objective is to limit lateral roof flow and organize the air approaching the wing under yaw. Complete-package CFD context should not be treated as an isolated roof-fin downforce claim.\u003c\/p\u003e\n\u003ch2\u003eProduct details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-piece centerline configuration\u003c\/li\u003e\n\u003cli\u003eSupra-specific roof and rear-glass contour\u003c\/li\u003e\n\u003cli\u003ePre-preg carbon construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment and specifications\u003c\/h2\u003e\n\u003cdiv class=\"pit-rm-table-wrap\" role=\"region\" aria-label=\"Key specifications\" tabindex=\"0\"\u003e\u003ctable\u003e\n\u003ccaption\u003eKey specifications\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eToyota GR Supra A90 \/ A91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003epre-preg carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003etwo-piece centerline roof and rear-glass fin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThis Pit Garage listing focuses on Toyota GR Supra A90 \/ A91. Confirm the model, installed body panels and existing modifications before purchase. Aftermarket panels and changed mounting points require separate assessment.\u003c\/p\u003e\n\u003ch2\u003eInstallation and ownership\u003c\/h2\u003e\n\u003cp\u003eTest-fit both sections along the vehicle centerline before attachment. Confirm roof coatings, wraps, antenna clearance and any existing accessories. Precise alignment and professional installation are recommended.\u003c\/p\u003e\n\u003ch2\u003eOrder through Pit Garage\u003c\/h2\u003e\n\u003cp\u003ePit Garage is an automotive repair and race-preparation shop in South El Monte, Los Angeles County. Send the chassis, body-panel configuration and photos of existing modifications through our \u003ca href=\"\/pages\/contact-us\"\u003econtact page\u003c\/a\u003e to discuss product selection and current availability. For local fitting, ask about \u003ca href=\"\/pages\/shop-services\"\u003einstallation scheduling\u003c\/a\u003e.\u003c\/p\u003e\n\u003csection class=\"pit-faq\" aria-label=\"Product FAQs\"\u003e\u003ch2\u003eProduct FAQs\u003c\/h2\u003e\n\u003cdetails class=\"pit-faq__item\"\u003e\u003csummary\u003eDoes the Roof Fin include the rear wing?\u003c\/summary\u003e\u003cdiv class=\"pit-faq__answer\"\u003e\u003cp\u003eNo. This is the two-piece fin. The Supra GT4+ wing is a separate assembly.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pit-faq__item\"\u003e\u003csummary\u003eWhat fitment information should I provide?\u003c\/summary\u003e\u003cdiv class=\"pit-faq__answer\"\u003e\u003cp\u003eProvide the chassis, model year, installed bumper or body-panel configuration and any existing aero parts. Vehicle names alone may not establish compatibility after modifications.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pit-faq__item\"\u003e\u003csummary\u003eDo these specifications guarantee a performance gain?\u003c\/summary\u003e\u003cdiv class=\"pit-faq__answer\"\u003e\u003cp\u003eDimensions and construction identify the product. Aerodynamic results depend on the complete vehicle, part position, ride height and operating conditions; the listing does not guarantee a specific lap-time or downforce gain.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e\u003cstyle\u003e.pit-rm-pdp .pit-rm-table-wrap{max-width:100%;overflow-x:auto;margin:18px 0}.pit-rm-pdp table{width:100%;border-collapse:collapse;min-width:440px;font-size:15px;line-height:1.5}.pit-rm-pdp caption{text-align:left;font-weight:600;padding:0 0 10px}.pit-rm-pdp th,.pit-rm-pdp td{padding:12px;border:1px solid #d8d8d8;text-align:left;vertical-align:top}.pit-rm-pdp thead th{background:#f5f5f5}.pit-rm-pdp .pit-faq__item{border-top:1px solid #d8d8d8}.pit-rm-pdp .pit-faq__item:last-child{border-bottom:1px solid #d8d8d8}.pit-rm-pdp .pit-faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;cursor:pointer;padding:16px 0;font-weight:600;font-size:16px;line-height:1.5}.pit-rm-pdp .pit-faq__item summary::-webkit-details-marker{display:none}.pit-rm-pdp .pit-faq__item summary:after{content:'+';font-size:20px}.pit-rm-pdp .pit-faq__item[open] summary:after{content:'−'}.pit-rm-pdp .pit-faq__item summary:focus-visible{outline:2px solid currentColor;outline-offset:3px}.pit-rm-pdp .pit-faq__answer{padding:0 0 16px;line-height:1.65}.pit-rm-pdp .pit-faq__answer p{margin:0}.pit-rm-pdp .pit-faq{margin-top:28px}\u003c\/style\u003e","brand":"RM ENGINEERING RACE","offers":[{"title":"RM Pre-preg Carbon Fiber GT4+ RS Roof Fin","offer_id":55761621025059,"sku":"DRMGT4PLSRFA90R16","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/9119\/2355\/files\/pit-import-52336838508832.png?v=1791960051","url":"https:\/\/pitgaragemotorsports.com\/products\/rm-engineering-gt4-rs-roof-fin-for-toyota-a90-supra","provider":"Pit Garage","version":"1.0","type":"link"}