{"title":"FCS II Compatible Fins – Large","description":"\u003cp\u003eLarge FCS II compatible fins — more surface area for bigger surfers or powerful surf. Extra drive and hold when the waves demand it. Built for surfers who push hard through every turn.\u003c\/p\u003e\u003cp\u003eDiscounted hardware auto-applies at checkout with every board purchased.\u003c\/p\u003e","products":[{"product_id":"power-thruster-3-fin-set-large-fciicompatible","title":"Summer vibes Power Thruster 3-Fin Set Large 4.7\" – FCSii Compatible","description":"\u003c!-- 🌊 Summer vibes – Power Thruster 3-Fin Set (Large 4.7\" – FCiiCompatible) --\u003e\n\u003cdiv class=\"sv-product-copy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSummer vibes Power Thruster Fins Large 4.7\" – FCiiCompatible\u003c\/strong\u003e are built for surfers who want maximum \u003cstrong\u003edrive, hold and power\u003c\/strong\u003e in their turns. With a strong, forceful template, this fin set suits surfers who push hard on rail and want confident control in punchy beach breaks and longer point waves.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e4.7 inches in height\u003c\/strong\u003e and constructed from \u003cstrong\u003epremium fibreglass\u003c\/strong\u003e, these fins offer a stiff, positive and highly reactive feel. Ideal for surfers approx. \u003cstrong\u003e80–100 kg+\u003c\/strong\u003e, they deliver strong projection, excellent bite and enhanced stability at higher speeds.\u003c\/p\u003e\n\u003cp\u003eThe wide, drive-loaded base generates acceleration and hold through turns, while the refined tip provides \u003cstrong\u003econtrolled release, responsiveness and smooth transitions\u003c\/strong\u003e when pushed hard in the pocket.\u003c\/p\u003e\n\u003cp\u003eThese fins are \u003cstrong\u003eFCiiCompatible\u003c\/strong\u003e, fitting all \u003cstrong\u003eSummer vibes thruster softboards\u003c\/strong\u003e and any board that uses the FCii two-tab fin system. Compared to basic composite fins, the Power Thruster offers significantly more speed, strength, control and overall performance.\u003c\/p\u003e\n\u003ch3\u003eWhy you’ll love the Summer vibes Power Thruster Fins (Large 4.7\")\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge 4.7\" size:\u003c\/strong\u003e Ideal for surfers approx. \u003cstrong\u003e80–100 kg+\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFibreglass construction:\u003c\/strong\u003e Stiff, powerful and highly responsive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower template:\u003c\/strong\u003e Built for projection, rail hold and strong drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile feel:\u003c\/strong\u003e Performs in clean points and powerful beach breaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFCiiCompatible:\u003c\/strong\u003e Fits all \u003cstrong\u003eSummer vibes thruster softboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance upgrade:\u003c\/strong\u003e Much faster, stronger and more stable than composite fins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnlock more hold, power and down-the-line speed with the \u003cstrong\u003eSummer vibes Power Thruster Fins Large 4.7\"\u003c\/strong\u003e—the ideal upgrade for surfers who like to surf with force and confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 🔍 Hidden SEO – fully invisible --\u003e\n\u003cdetails style=\"display: none !important;\" class=\"sv-hidden-seo\"\u003e\n\u003csummary style=\"display: none !important;\"\u003e\u003c\/summary\u003e\n\u003cdiv style=\"display: none !important;\" class=\"sv-hidden-seo__inner\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSummer vibes Power Thruster Fins Large 4.7\"\u003c\/strong\u003e offer a powerful, drive-focused feel similar to well-known \u003cstrong\u003eMF Large FCS2-style fins\u003c\/strong\u003e, recognised for projection, stiffness and hold. Surfers searching for \u003cstrong\u003eMF Large FCS2 fin alternatives\u003c\/strong\u003e, large power thruster sets or high-performance two-tab fin options will find comparable drive, stability and control.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003efibreglass construction\u003c\/strong\u003e provides excellent stiffness for strong energy transfer, making this fin ideal for heavier or more powerful surfers approx. \u003cstrong\u003e80–100 kg+\u003c\/strong\u003e. It excels in punchy surf, delivering improved rail engagement, bite and control compared to softer composite fins.\u003c\/p\u003e\n\u003cp\u003eAs an \u003cstrong\u003eFCiiCompatible\u003c\/strong\u003e fin set, these fins suit all \u003cstrong\u003eSummer vibes thruster surfboards\u003c\/strong\u003e using two-tab systems. The result is a noticeable performance upgrade, increasing speed, hold and turning power across a wide range of surf conditions.\u003c\/p\u003e\n\u003cp\u003eKeywords: Summer vibes Power Thruster Large 4.7\", \u003cstrong\u003eMF Large FCS2 fins alternative\u003c\/strong\u003e, fibreglass surf fins, 4.7 inch two-tab power fins, performance thruster fins, surf fins for heavier surfers, drivey fin template, power turns, performance fins for beach breaks and point waves.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSummer vibes is not affiliated with Mick Fanning, FCS or MF Large fins. Any reference is for comparison and SEO purposes only.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Summer vibes","offers":[{"title":"L MF \/ Red\/Black","offer_id":45223215530041,"sku":"BRSVFIPOLD-RBL","price":99.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/4357\/0233\/files\/11-FCSwebhero.jpg?v=1764905339"}],"url":"https:\/\/www.summervibes.com.au\/collections\/fins-fcsii-size-l.oembed","provider":"Summer vibes","version":"1.0","type":"link"}