{"product_id":"radium-rotary-engine-injector-seat-single-mazda-rx-7-fd-cosmo-jc-13b-20b","title":"Radium Rotary Engine Injector Seat (Single) - Mazda RX-7 FD\/Cosmo JC (13B\/20B)","description":"\u003ch2\u003eRadium Rotary Engine Injector Seat (Single) - Mazda RX-7 FD\/Cosmo JC (13B\/20B)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mazda 13B-RE, 13B-REW and 20B-REW rotary engines (Mazda RX-7, Eunos\/Mazda Cosmo)\u003cbr\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Secondary injector seat, 16mm to 14mm (sold individually)\u003cbr\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 20-0444\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003cp\u003eRadium 20-0444 is the secondary injector seat – the same machined aluminium seat Radium uses in its top-feed fuel rails for Mazda\/Eunos Cosmo and RX-7 rotary engines. The black secondary seat presses into the intake manifold secondary injector bore and converts the OEM 16mm injector seat counterbore to 14mm, the size used by popular aftermarket lower injector O-rings.\u003c\/p\u003e\u003cp\u003eThe seat works with or without the OEM fuel injector diffusers installed and seals with the included boost- and fuel-compatible FKM O-ring. A full 14mm conversion needs both the secondary seats (20-0444) and the green primary seats (20-1044), which install in the irons.\u003c\/p\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16mm to 14mm Conversion:\u003c\/strong\u003e Converts the OEM secondary injector counterbore to the common 14mm lower O-ring size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePress-In Installation:\u003c\/strong\u003e Presses into the OEM injector bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiffuser Compatible:\u003c\/strong\u003e Works with or without OEM fuel injector diffusers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet 6061 Aluminium:\u003c\/strong\u003e CNC-machined, Type-II anodised and laser etched\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFKM O-Ring:\u003c\/strong\u003e Boost and fuel compatible seal included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x secondary injector seat\u003c\/li\u003e\n\u003cli\u003e1 x FKM O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eOptional Parts\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eRadium Mazda Primary Injector Seat, 16mm (20-1044) – green primary seat for the irons, needed alongside the secondary seats for a full 14mm conversion (contact us to order)\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis is the secondary (intake manifold) seat – the primary (iron) seat is a separate part, 20-1044\u003c\/li\u003e\n\u003cli\u003eSold individually – secondary seats required: 13B-RE x2, 13B-REW x2, 20B-REW x3 (Radium totals per engine incl. primaries: 13B-RE 4, 13B-REW 4, 20B-REW 6)\u003c\/li\u003e\n\u003cli\u003eMost aftermarket lower intake manifolds are already machined with 14mm secondary ports – check before ordering\u003c\/li\u003e\n\u003cli\u003eClean the intake manifold bores, lubricate the O-rings (O-ring lube, petroleum jelly or motor oil) and press the seats in until fully seated, using a small rubber mallet if needed\u003c\/li\u003e\n\u003cli\u003eInstallation instructions are available in the Instructions tab\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMazda 13B-RE rotary (Eunos\/Mazda Cosmo)\u003c\/li\u003e\n\u003cli\u003eMazda 13B-REW rotary (RX-7 FD3S)\u003c\/li\u003e\n\u003cli\u003eMazda 20B-REW rotary (Eunos\/Mazda Cosmo)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure if this suits your vehicle? Email \u003ca href=\"mailto:sales@coore.com.au\"\u003esales@coore.com.au\u003c\/a\u003e and our team will confirm fitment.\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"Default Title","offer_id":54283352867179,"sku":"20-0444","price":26.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/4385\/5979\/files\/20-0444.jpg?v=1793277075","url":"https:\/\/xpjcws-19.myshopify.com\/products\/radium-rotary-engine-injector-seat-single-mazda-rx-7-fd-cosmo-jc-13b-20b","provider":"Race District","version":"1.0","type":"link"}