{"product_id":"radium-injector-seats-for-top-feed-conversion-fuel-rails-nissan-sr20det-rb25det","title":"Radium Injector Seats for Top Feed Conversion Fuel Rails - Nissan SR20DET\/RB25DET","description":"\u003ch2\u003eRadium Injector Seats — Top Feed Conversion | Nissan SR20DET \/ RB25DET \/ KA24DE\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 20-0160-04 \/ 20-0160-06 \/ 20-0161-04 \/ 20-0161-06  |  \u003cstrong\u003eApplication:\u003c\/strong\u003e Nissan SR20DET, RB25DET, KA24DE\u003c\/p\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003cp\u003eConverting from OEM side-feed injectors to top-feed? These are the same CNC-machined aluminium injector seats used in Radium Engineering's own Nissan fuel rail kits. They press directly into the intake manifold injector ports and seal via the included Viton O-ring, providing a clean, leak-free foundation for top-feed injectors with a 14mm lower O-ring — the common standard for aftermarket injectors.\u003c\/p\u003e\u003cp\u003eAvailable in two sizes to suit different manifold bore diameters — \u003cstrong\u003emeasure your manifold's injector counterbore before ordering\u003c\/strong\u003e. Size is not interchangeable between applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eColour guide:\u003c\/strong\u003e 30mm seats are \u003cstrong\u003eblack anodised\u003c\/strong\u003e. 25mm seats are \u003cstrong\u003eRadium green anodised\u003c\/strong\u003e. Both are laser etched with the Radium logo.\u003c\/p\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003ch3\u003eApplication Guide\u003c\/h3\u003e\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #111; color: #fff;\"\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left;\"\u003eQty\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left;\"\u003eFinish\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left;\"\u003eSuits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e20-0160-04\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e30mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eSet of 4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eBlack anodised\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eKA24DE (S13\/S14), SR20DET (S13)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e20-0160-06\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e30mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eSet of 6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eBlack anodised\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eKA24DE (S13\/S14), SR20DET (S13)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e20-0161-04\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eSet of 4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eGreen anodised\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eRB25DET, SR20DET (S14\/S15), SR20VE FWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e20-0161-06\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eSet of 6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eGreen anodised\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px 12px;\"\u003eRB25DET, SR20DET (S14\/S15), SR20VE FWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✓ CNC-machined 6061 aluminium — same seats used in Radium Nissan fuel rail kits\u003c\/li\u003e\n\u003cli\u003e✓ Bright-dip anodised finish with laser etched Radium logo\u003c\/li\u003e\n\u003cli\u003e✓ Viton O-rings included — compatible with E85, methanol, and all fuel types\u003c\/li\u003e\n\u003cli\u003e✓ 14mm lower injector O-ring bore — suits common aftermarket top-feed injectors\u003c\/li\u003e\n\u003cli\u003e✓ Press-fit installation into OEM intake manifold injector ports\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eThoroughly clean any dirt or debris from the intake manifold injector seat bores.\u003c\/li\u003e\n\u003cli\u003eLubricate the Viton O-rings with clean engine oil.\u003c\/li\u003e\n\u003cli\u003ePress each seat firmly into the manifold injector port until fully seated — use a small rubber mallet if required.\u003c\/li\u003e\n\u003c\/ol\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003ch3\u003eWhy Radium Engineering?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ Manufactured in the USA to motorsport-grade tolerances\u003c\/li\u003e\n\u003cli\u003e✅ CNC-machined billet aluminium components for precision fitment\u003c\/li\u003e\n\u003cli\u003e✅ Trusted by tuners and race teams in real-world high-power builds\u003c\/li\u003e\n\u003cli\u003e✅ Same seats used in Radium’s own Nissan fuel rail kits — proven fitment\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with E85, pump petrol, methanol, and flex fuel configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003cp\u003e\u003cem\u003eFast shipping available throughout Australia. Lead times may vary — contact us for current availability.\u003c\/em\u003e\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"Default Title","offer_id":50230029320496,"sku":"20-0160-04","price":86.25,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/3156\/2544\/files\/20-0160_f9e469ee-c8f6-45c1-823b-d24589f05227.jpg?v=1760849009","url":"https:\/\/coore.com.au\/ja\/products\/radium-injector-seats-for-top-feed-conversion-fuel-rails-nissan-sr20det-rb25det","provider":"Coore | Performance \u0026 Aftermarket","version":"1.0","type":"link"}