{"product_id":"raceworks-billet-fuel-rail-13b","title":"Raceworks Billet Fuel Rail Kits – Mazda 13B","description":"\u003cp data-start=\"294\" data-end=\"504\"\u003eThe \u003cstrong data-start=\"298\" data-end=\"362\"\u003eRaceworks Billet Fuel Rail Kits for Mazda 13B rotary engines\u003c\/strong\u003e are engineered to provide consistent, high-flow fuel delivery for performance street cars, track builds, and serious motorsport applications.\u003c\/p\u003e\n\u003cp data-start=\"506\" data-end=\"861\"\u003eCNC machined from \u003cstrong data-start=\"524\" data-end=\"544\"\u003ebillet aluminium\u003c\/strong\u003e, these fuel rails improve internal flow and ensure even fuel distribution across all injectors, which is critical for rotary engines operating under high load, boost, and sustained RPM. Compared to factory rails, Raceworks billet rails offer superior strength, flow capacity, and reliability for modified 13B setups.\u003c\/p\u003e\n\u003cp data-start=\"863\" data-end=\"1218\"\u003eFinished in a \u003cstrong data-start=\"877\" data-end=\"903\"\u003eblack anodised coating\u003c\/strong\u003e, these fuel rails provide excellent corrosion resistance and a clean, professional appearance suitable for engine bays and race environments. This listing combines multiple 13B-specific fuel rail variants under one product, allowing you to select the correct option for your rotor housing and intake configuration.\u003c\/p\u003e\n\u003ch3 data-start=\"1521\" data-end=\"1546\"\u003eVariant Fitment Guide\u003c\/h3\u003e\n\u003cul data-start=\"1548\" data-end=\"2077\"\u003e\n\u003cli data-start=\"1742\" data-end=\"1913\"\u003e\n\u003cp data-start=\"1744\" data-end=\"1913\"\u003e\u003cstrong data-start=\"1744\" data-end=\"1771\"\u003e13B S4 \/ S5 (ALY-019BK)\u003c\/strong\u003e\u003cbr data-start=\"1771\" data-end=\"1774\"\u003eSuits \u003cstrong data-start=\"1782\" data-end=\"1819\"\u003eSeries 4 and Series 5 13B engines\u003c\/strong\u003e, commonly found in FC RX-7 platforms using the factory-style intake and injector arrangement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1915\" data-end=\"2077\"\u003e\n\u003cp data-start=\"1917\" data-end=\"2077\"\u003e\u003cstrong data-start=\"1917\" data-end=\"1942\"\u003e13B S6–S8 (ALY-020BK)\u003c\/strong\u003e\u003cbr data-start=\"1942\" data-end=\"1945\"\u003eDesigned for \u003cstrong data-start=\"1960\" data-end=\"1994\"\u003eSeries 6, 7, and 8 13B engines\u003c\/strong\u003e, typically used in FD RX-7 platforms with revised intake and injector positioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2084\" data-end=\"2100\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"2101\" data-end=\"2478\"\u003e\n\u003cli data-start=\"2101\" data-end=\"2137\"\u003e\n\u003cp data-start=\"2103\" data-end=\"2137\"\u003eSuits \u003cstrong data-start=\"2109\" data-end=\"2137\"\u003eMazda 13B rotary engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2138\" data-end=\"2183\"\u003e\n\u003cp data-start=\"2140\" data-end=\"2183\"\u003eCNC machined \u003cstrong data-start=\"2153\" data-end=\"2183\"\u003ebillet aluminium fuel rail\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2184\" data-end=\"2230\"\u003e\n\u003cp data-start=\"2186\" data-end=\"2230\"\u003eImproved fuel flow and injector distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2231\" data-end=\"2291\"\u003e\n\u003cp data-start=\"2233\" data-end=\"2291\"\u003eDesigned for aftermarket injector and fuel system upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2292\" data-end=\"2353\"\u003e\n\u003cp data-start=\"2294\" data-end=\"2353\"\u003eSupports high-performance and high-horsepower rotary builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2354\" data-end=\"2417\"\u003e\n\u003cp data-start=\"2356\" data-end=\"2417\"\u003eBlack anodised finish for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2418\" data-end=\"2478\"\u003e\n\u003cp data-start=\"2420\" data-end=\"2478\"\u003eSuitable for performance street, track, and motorsport use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2485\" data-end=\"2502\"\u003eFitment Notes\u003c\/h3\u003e\n\u003cp data-start=\"2504\" data-end=\"2603\"\u003eThese fuel rails are \u003cstrong data-start=\"2525\" data-end=\"2555\"\u003eengine and series specific\u003c\/strong\u003e and must be matched to the correct 13B variant.\u003c\/p\u003e\n\u003cp data-start=\"2605\" data-end=\"2658\"\u003ePlease ensure you select the correct option based on:\u003c\/p\u003e\n\u003cul data-start=\"2659\" data-end=\"2768\"\u003e\n\u003cli data-start=\"2659\" data-end=\"2700\"\u003e\n\u003cp data-start=\"2661\" data-end=\"2700\"\u003eEngine series (S4-S5 \/ S6-S8)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2701\" data-end=\"2734\"\u003e\n\u003cp data-start=\"2703\" data-end=\"2734\"\u003eIntake manifold configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2735\" data-end=\"2768\"\u003e\n\u003cp data-start=\"2737\" data-end=\"2768\"\u003eInjector type and positioning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2770\" data-end=\"2904\"\u003eIf you’re unsure which fuel rail suits your setup, please contact us before ordering and we’ll be happy to help confirm compatibility.\u003c\/p\u003e\n\u003ch3 data-start=\"2911\" data-end=\"2935\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul data-start=\"2936\" data-end=\"3075\"\u003e\n\u003cli data-start=\"2936\" data-end=\"2969\"\u003e\n\u003cp data-start=\"2938\" data-end=\"2969\"\u003eMazda RX-7 performance builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2970\" data-end=\"3001\"\u003e\n\u003cp data-start=\"2972\" data-end=\"3001\"\u003eTurbocharged rotary engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3002\" data-end=\"3037\"\u003e\n\u003cp data-start=\"3004\" data-end=\"3037\"\u003eHigh-flow injector fuel systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3038\" data-end=\"3075\"\u003e\n\u003cp data-start=\"3040\" data-end=\"3075\"\u003eTrack day and motorsport vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"3082\" data-end=\"3110\"\u003eAvailability \u0026amp; Lead Time\u003c\/h3\u003e\n\u003cp data-start=\"3112\" data-end=\"3399\"\u003eRaceworks offer an extensive range of fuel system and performance components. As a result, some items may be supplied to order rather than held on the shelf. Lead times can vary. If your order is time-sensitive, please contact us before purchasing so we can confirm current availability.\u003c\/p\u003e","brand":"Raceworks","offers":[{"title":"13B S4\/S5","offer_id":51014829211924,"sku":"ALY-019BK","price":219.0,"currency_code":"AUD","in_stock":true},{"title":"13B S6-S8","offer_id":51014829244692,"sku":"ALY-020BK","price":219.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/0340\/5332\/files\/raceworks-billet-fuel-rail-kits-mazda-13baly-019bk-7335794.png?v=1767252436","url":"https:\/\/gameonmotorsports.com.au\/products\/raceworks-billet-fuel-rail-13b","provider":"Game On Motorsports Australia","version":"1.0","type":"link"}