{"product_id":"radium-primary-secondary-fuel-rail-kit-for-mazda-13b-rew-rx-7-fd3s","title":"Radium - Top Feed Fuel Rail Kit for Mazda 13B-REW (RX-7 FD3S)","description":"\u003cp\u003eThe \u003cstrong\u003eRadium Engineering Top Feed Fuel Rail Kit for Mazda 13B-REW (RX-7 FD3S)\u003c\/strong\u003e converts the restrictive rotary factory side-feed setup to modern high-performance top-feed fuel injectors.\u003c\/p\u003e\n\u003cp\u003eBoth primary and secondary rails are CNC-machined from billet 6061 aluminum, feature large internal bores, and are equipped with three -8AN ORB ports for custom high-flow plumbing.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Rail (20-0445):\u003c\/strong\u003e Fits 13B-RE and 13B-REW intake setups using 34mm short top-feed injectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Rail (20-0447):\u003c\/strong\u003e Fits 13B-REW intake manifolds using 60mm standard top-feed injectors. Compatible with OEM 2-port or aftermarket 4-port manifolds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Compatibility:\u003c\/strong\u003e Safe for all fuels including E85 ethanol and methanol blends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"dm-motorsport-notice\" style=\"margin-top: 24px; padding: 14px 18px; background-color: #f8f9fa; border-left: 4px solid #e11d48; border-radius: 4px; font-size: 0.88em; color: #4b5563; line-height: 1.5;\"\u003e\n  \u003cstrong style=\"color: #111827;\"\u003eMotorsport \u0026amp; Competition Notice:\u003c\/strong\u003e This performance component is engineered and intended strictly for off-road closed-course racing and organized motorsport competition use.\n\u003c\/div\u003e","brand":"Radium Engineering","offers":[{"title":"Primary Fuel Rail Only","offer_id":48312253481118,"sku":"20-0445","price":188.0,"currency_code":"CAD","in_stock":true},{"title":"Secondary Fuel Rail Only","offer_id":48312282153118,"sku":"20-0447","price":289.95,"currency_code":"CAD","in_stock":true},{"title":"Primary \u0026 Secondary Complete Kit","offer_id":48312282185886,"sku":"20-0445-447","price":478.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6460\/0734\/files\/20-0447n.jpg?v=1790056034","url":"https:\/\/dm-performance.ca\/products\/radium-primary-secondary-fuel-rail-kit-for-mazda-13b-rew-rx-7-fd3s","provider":"DM Performance","version":"1.0","type":"link"}