{"product_id":"koyo-68-72-nissan-skyline-l20-i6-mt-kgc10-radiator-sk-c13-required","title":"Koyo 68-72 Nissan Skyline L20 I6 MT (KGC10) Radiator (SK-C13 Required)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e HH023610 | \u003cstrong\u003eUPC:\u003c\/strong\u003e 847839017140\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKoyo 68-72 Nissan Skyline L20 I6 MT (KGC10) Radiator (SK-C13 Required)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis Koyorad all-aluminum radiator delivers reliable cooling for 1968-1972 Nissan Skyline C10 chassis models equipped with L20 inline-6 engine and manual transmission. It replaces the factory unit with improved heat rejection to maintain optimal engine temperatures during spirited driving. The design ensures direct bolt-in installation on KGC10 2000GT variants excluding GT-R trims.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Aluminum Construction:\u003c\/strong\u003e Full aluminum core and tanks resist corrosion and transfer heat 30 percent faster than OEM brass designs for consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24mm Core Thickness:\u003c\/strong\u003e Increased fin density and tube width boost airflow and cooling capacity by up to 40 percent over stock radiator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevised Filler Neck:\u003c\/strong\u003e Updated design accepts modern pressure caps like Koyorad SK-C13 preventing leaks and enabling higher pressure operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Fitment:\u003c\/strong\u003e Matches factory mounting points on C10 chassis for simple drop-in replacement without modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrazed Design:\u003c\/strong\u003e TIG-welded assembly eliminates plastic tanks ensuring long-term durability under high heat cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eManual transmission models only with L20 I6 engine on KGC10 chassis.\u003c\/li\u003e\n\u003cli\u003eOEM radiator cap incompatible, requires Koyorad SK-C13 or equivalent 1.3 bar cap.\u003c\/li\u003e\n\u003cli\u003ePackaged in protective foam sleeve, ships via UPS Ground.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eDrain coolant, remove OEM radiator, and transfer fan shroud before install.\u003c\/li\u003e\n\u003cli\u003eUses factory upper and lower hoses, no additional brackets needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1972\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003e2000GT (KGC10 MT L20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1972\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline 2000\u003c\/td\u003e\n\u003ctd\u003eGT Sedan\/Coupe (KGC10 MT L20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Koyorad?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstablished Japanese manufacturer since 1994 specializing in motorsport cooling.\u003c\/li\u003e\n\u003cli\u003eEach radiator hand-brazed for leak-free operation and exact OEM dimensions.\u003c\/li\u003e\n\u003cli\u003eProven in JDM racing circuits for reliable temperature control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit GT-R models?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, designed for non-GT-R KGC10 chassis with L20 engine only, KPGC10 GT-R requires different core size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What cap is needed?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Requires Koyorad SK-C13 or equivalent 1.3 bar cap due to revised neck, OEM cap will not seal properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One-year manufacturer defect warranty, covers core and tanks against leaks when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Foam-wrapped in 25 x 21 x 5 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koyo","offers":[{"title":"Default Title","offer_id":44102292504655,"sku":"KOYHH023610","price":536.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_HH023610_UPC_847839017140.png?v=1767818634","url":"https:\/\/www.blackopsautoworks.com\/products\/koyo-68-72-nissan-skyline-l20-i6-mt-kgc10-radiator-sk-c13-required","provider":"Black Ops Auto Works","version":"1.0","type":"link"}