{"product_id":"nuke-performance-type-a-radiator-caps","title":"Nuke Performance Type-A Radiator Caps","description":"\u003cp\u003e\u003cstrong\u003eThermal control for street, track, and motorsports - Type-A \"Mini\" Radiator Caps from Nuke Performance for 32mm radiator necks - 1.1 \/ 1.3 \/ 1.5 \/ 2.0 BAR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNuke Performance radiator caps are developed for demanding applications where cooling system stability is critical. Available in 1.1, 1.3, 1.5, and 2.0 BAR, each cap is precision-calibrated to maintain consistent system pressure and increase the boling margin of your coolant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ci class=\"iconset iconset-check-box\"\u003e\u003c\/i\u003e Type-A \"Mini\" Radiator Caps, for 32mm radiator necks\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003ci class=\"iconset iconset-check-box\"\u003e\u003c\/i\u003e Fits all Nuke Performance Coolant Expansion Tanks\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003ci class=\"iconset iconset-check-box\"\u003e\u003c\/i\u003e Compatible with a wide range of OEM applications\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003ci class=\"iconset iconset-check-box\"\u003e\u003c\/i\u003e Stainless steel internals and body\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003ci class=\"iconset iconset-check-box\"\u003e\u003c\/i\u003e Silicon sealing is superior to OEM caps\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy increasing system pressure, the coolant's boiling point rises, reducing the risk of localized boiling and maintaining heat transfer under load. Perfect match for the different available Coolant Expansion Tanks from Nuke Performance, as well as OEM replacement and custom installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.nukeperformance.com\/images\/452-01-001_textimage01.jpg\" width=\"1200\" height=\"675\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ci class=\"iconset iconset-info-circle\"\u003e\u003c\/i\u003e Available in different pressure ratings, ranging from 1.1 BAR to 2.0 BAR (16.0 PSI to 29.0 PSI). All with stainless steel internals and silicon sealing.\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe Type-A Radiator Caps from Nuke Performance are manufactured from stainless steel for long-lasting performance and durability. The seal is made of silicon instead of natural rubber found in OEM radiator caps, ensuring a greater life span and durability. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/www.nukeperformance.com\/images\/452-01-001_textimage02.jpg\" width=\"1200\" height=\"751\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stated pressure rating represents the nominal release pressure and operates within a defined tolerance range. The illustration above shows the intended operating range for each Nuke Performance radiator cap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCooling system pressure directly affects the coolant boiling point. Always select the lowest pressure cap that provides sufficient boiling margin for your application, as higher pressure increases thermal stability but also places greater stress on system components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate boiling points :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003e\u003cspan\u003e Radiator Cap Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eOnly Water\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e50\/50 Coolant \/ Water\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e 1.1 BAR (16.0 PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~121°C (~250°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~129°C (~265°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e 1.3 BAR (18.9 PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~124°C (~255°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~131°C (~268°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e 1.5 BAR (21.8 PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~127°C (~261°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~135°C (~275°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e 2.0 BAR (29.0 PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~134°C (~273°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~142°C (~288°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e* Approximate values. Actual boiling point varies with coolant formulation and system conditions. Cap ratings are gauge pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigher pressure raises the boiling point, reduces the risk of localized vapor formation, and improves thermal stability under high load. However, increased pressure also places greater stress on hoses, radiator, expansion tank, and seals. Available in several different pressure ratings, make sure to select the preferred one when placing an order.\u003cbr\u003e\u003cstrong\u003eType-A Radiator Cap, 1.1 BAR (16.0 PSI) Part # :\u003c\/strong\u003e \u003ca href=\"https:\/\/driftmafia.life\/products\/nuke-performance-type-a-radiator-caps?variant=53511248773462\"\u003e452-01-011\u003c\/a\u003e\u003ca href=\"https:\/\/www.nukeperformance.com\/product.html\/type-a-radiator-caps\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eType-A Radiator Cap, 1.3 BAR (18.9 PSI) Part # :\u003c\/strong\u003e \u003ca href=\"https:\/\/driftmafia.life\/products\/nuke-performance-type-a-radiator-caps?variant=53511248806230\"\u003e452-01-013\u003c\/a\u003e\u003ca href=\"https:\/\/www.nukeperformance.com\/product.html\/type-a-radiator-caps\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eType-A Radiator Cap, 1.5 BAR (21.8 PSI) Part # :\u003c\/strong\u003e \u003ca href=\"https:\/\/driftmafia.life\/products\/nuke-performance-type-a-radiator-caps?variant=53511248838998\"\u003e452-01-015\u003c\/a\u003e\u003ca href=\"https:\/\/www.nukeperformance.com\/product.html\/type-a-radiator-caps\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eType-A Radiator Cap, 2.0 BAR (29.0 PSI) Part # :\u003c\/strong\u003e \u003ca href=\"https:\/\/driftmafia.life\/products\/nuke-performance-type-a-radiator-caps?variant=53511248871766\"\u003e452-01-020\u003c\/a\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ci class=\"iconset iconset-info-circle\"\u003e\u003c\/i\u003e Why radiator cap pressure and boiling point matter in high-performance engines.\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIn high-performance and turbocharged engines, the cooling system is exposed to extreme cylinder pressures, elevated exhaust gas temperatures, and sustained thermal load. Even when the average coolant temperature appears stable, localized hotspots inside the cylinder head can reach significantly higher temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen coolant reaches its local boiling point, micro-boiling occurs. Vapor pockets drastically reduce heat transfer efficiency, increase metal temperatures, and raise the risk of detonation, pre-ignition, and head gasket stress. Liquid coolant transfers heat efficiently — vapor does not.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelecting a properly rated radiator cap increases system pressure, raises the coolant boiling point, and stabilizes cooling performance under high load. Nuke Performance Type-A radiator caps are engineered for precise pressure control and reliable operation in performance street builds and demanding motorsport environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ci class=\"iconset iconset-info-circle\"\u003e\u003c\/i\u003e Nuke Performance Type-A Radiator Caps Specifications:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor more information about specifications, contact us directly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e Available ratings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.10 \/ 1.30 \/ 1.50 \/ 2.00 BAR\u003cbr\u003e16.0 \/ 18.9 \/ 21.8 \/ 29.0 PSI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e Part # 452-01-011\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e - Rated release pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.1 BAR (16.0 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Verified opening range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.05 - 1.20 BAR (15.23 - 17.40 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003e\u003cspan\u003e Part # 452-01-013\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Rated release pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.3 BAR (18.9 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Verified opening range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.25 - 1.40 BAR (18.10 - 20.30 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003e\u003cspan\u003e Part # 452-01-015\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Rated release pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 BAR (21.8 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Verified opening range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.45 - 1.60 BAR (21.03 - 23.10 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cstrong\u003e\u003cspan\u003e Part # 452-01-020\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Rated release pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 BAR (29.0 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e - Verified opening range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.90 - 2.10 BAR (27.55 - 30.45 PSI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Radiator neck type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32mm radiator neck (Type-A seal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Material valve \/ cap\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Material seal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilicon\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Valve diameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.2mm (1.15\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Cap diameter min. \/ max.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45.5mm (1.79”) \/ 65.0mm (2.56”)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Height valve\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.4mm (1.00\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Height overall\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27.0mm (1.06\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e38.5g (1.35oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e For motorsports use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYES\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e \u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ci class=\"iconset iconset-info-circle\"\u003e\u003c\/i\u003e Nuke Performance Type-A Radiator Caps fitment guide:\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFits all Nuke Performance Coolant expansion tanks, and widely used in Japanese performance engine platforms, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\"\u003e\u003cspan\u003e\u003cstrong\u003e Honda\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eB-, K-, and H-series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Nissan\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSR, RB, and VR engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Toyota\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCelica, MR2, 1JZ and 2JZ engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Subaru\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEJ engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Mazda\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRotary engines, and MX-5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e Mitsubishi\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4G63 engines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eAlso compatible with select European vehicles and motorsport builds equipped with a Type-A (32mm) radiator neck. Always verify radiator neck specification before installation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Nuke Performance","offers":[{"title":"1.1 BAR (16.0 PSI)","offer_id":53511248773462,"sku":"452-01-011","price":27.0,"currency_code":"EUR","in_stock":true},{"title":"1.3 BAR (18.9 PSI)","offer_id":53511248806230,"sku":"452-01-013","price":27.3,"currency_code":"EUR","in_stock":true},{"title":"1.5 BAR (21.8 PSI)","offer_id":53511248838998,"sku":"452-01-015","price":27.7,"currency_code":"EUR","in_stock":true},{"title":"2.0 BAR (29.0 PSI)","offer_id":53511248871766,"sku":"452-01-020","price":28.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6119\/2790\/files\/3982-82-452-01-001_01.jpg?v=1778184907","url":"https:\/\/driftmafia.life\/products\/nuke-performance-type-a-radiator-caps","provider":"DriftMafia","version":"1.0","type":"link"}