{"product_id":"csf-honda-civic-type-r-fl5-high-performance-oil-cooler-kit","title":"CSF Honda Civic Type-R (FL5) High-Performance Oil Cooler Kit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe FL5 Civic Type R is capable of seriously impressive performance, but the Honda engineering team came up short in one specific area: oil cooling. Drivers regularly see high oil temperatures even completely stock, and considerably higher on modified examples. In CSF's own testing, temperatures exceeded 275°F (135°C) on track, well beyond the 250°F ceiling most engine builders recommend before bearing materials start losing strength and load-bearing capacity. It was clear the FL5 needed a genuine solution, so CSF set out to develop their first ever complete engine oil cooler kit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe engineering challenge was twofold: the K20C1 has no external oil cooler provision from the factory, and the front bumper opening is already packed with the intercooler, A\/C condenser, and radiator competing for the same limited airflow. CSF's answer places two dual-pass, bar\/plate core coolers (13in x 4.5in each) at the sides of the bumper, the optimal position, but one with poor natural airflow on this platform, solved with a dedicated ducting and inlet system plus motorsport-grade prepreg carbon fibre bumper vents that direct air to the coolers while matching the FL5's aggressive styling. CPE-lined stainless steel braided lines with quick-release fittings and a billet sandwich plate housing a 175-195°F thermostat complete the system, increasing total oil capacity to approximately 7 quarts (6.6L) for genuinely improved thermal stability. CSF spent over a year testing and developing this kit with drivers competing in major time attack and endurance series, moving from controlled dyno testing into real-world track validation, and delivering an average oil temperature reduction of approximately 15°F (8°C). One competition car running this kit posted a class lap record at Circuit of the Americas and reported no major overheating issues across a full season.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e OEM location, drop-in fit, no modifications necessary unless otherwise noted in the included instructions. CSF recommends pairing with their FL5 Performance Radiator (#7221) for maximum overall cooling performance.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Oil Cooler Kit\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTwo dual-pass, bar\/plate core coolers for maximum cooling capacity in a space-constrained bumper\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMotorsport-grade prepreg carbon fibre bumper vents, directs airflow while matching FL5 styling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCPE-lined stainless steel braided lines with quick-release fittings and a billet sandwich plate thermostat\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApproximately 15°F (8°C) average oil temperature reduction, independently tested\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIncreases oil capacity to approximately 7 quarts (6.6L) for genuine thermal stability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRace-proven, tested and used by a factory Honda racing programme and multiple competitive time attack teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHonda Civic Type R (FL5, 2023+, K20C1 2.0T)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTwo dual-pass, high-performance oil coolers\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCPE-lined stainless steel braided lines\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMotorsport-grade carbon fibre bumper vents\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLaser-cut mounting brackets and installation templates\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eQuick-release fittings with billet sandwich plate and integrated thermostat\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54447331311949,"sku":"CSF-8343","price":2335.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-honda-civic-type-r-fl5-high-performance-oil-cooler-kit.webp?v=1785742839","url":"https:\/\/i6tuning.com\/products\/csf-honda-civic-type-r-fl5-high-performance-oil-cooler-kit","provider":"i6 Tuning","version":"1.0","type":"link"}