{"product_id":"miata-na-nb-borgwarner-efr-turbo-water-line-kit","title":"Mazda MX-5 Miata (NA\/NB) BorgWarner EFR 6258 6758 Turbo Water Line Kit | 1.6L 1.8L Cooling Fix","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003eThe essential cooling infrastructure to finalize your EFR upgrade.\u003c\/strong\u003e Converting a naturally aspirated Mazda Miata to a water-cooled BorgWarner EFR 6258 or 6758 requires a reliable bridge to the engine’s coolant circuit. This \u003cstrong\u003eGryphonTek Signature Series Kit\u003c\/strong\u003e provides a coordinated package of reinforced hoses and specific adapters required to bridge the Miata’s \u003cstrong\u003eThermostat Case\u003c\/strong\u003e and \u003cstrong\u003eMixing Manifold\u003c\/strong\u003e to the EFR core—ensuring your turbo stays healthy and your build stays on the road.\u003c\/p\u003e\n\u003ch3 data-pm-slice=\"1 4 []\"\u003e[!] Selection Guide: Match Your Chassis\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003eSelection\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eYear \/ Chassis\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eCoolant Hose Size\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eNA (MK1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1989–1997\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e8mm \/ 5\/16\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eNB (MK2 \/ 2.5)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1998–2005\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e10mm \/ 3\/8\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Barb Integration:\u003c\/strong\u003e Pre-matched adapters bridge factory 8mm or 10mm Thermostat Case sources to EFR threads, eliminating sourcing guesswork and part-hunting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial NBR Construction:\u003c\/strong\u003e Reinforced NBR hoses remain flexible under extreme thermal cycles and resist cooling system pressure spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic Defense:\u003c\/strong\u003e Flexible plumbing architecture absorbs B6\/BP engine vibrations, preventing the fatigue cracks common in rigid custom pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Leak Interface:\u003c\/strong\u003e Includes copper washers and high-torque clamps for a permanent, high-pressure seal.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRYPHONTEK","offers":[{"title":"NA MK1 (1989 － 1997)","offer_id":47558363906294,"sku":"06-009-50015","price":90.65,"currency_code":"USD","in_stock":true},{"title":"NB MK2 \/ MK2.5 (1998 － 2005)","offer_id":47558363939062,"sku":"06-009-50017","price":90.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/5917\/2488\/files\/turbo-water-line-kit-miata-mx5-mk1-borgwarner-efr.jpg?v=1733885551","url":"https:\/\/www.gryphontek.com\/products\/miata-na-nb-borgwarner-efr-turbo-water-line-kit","provider":"GRYPHONTEK","version":"1.0","type":"link"}