{"product_id":"grimmspeed-1-3-bar-radiator-cap-subaru-universal","title":"GrimmSpeed 1.3 Bar Radiator Cap - Subaru Universal","description":"\u003cp data-start=\"110\" data-end=\"811\" class=\"\"\u003e\u003cstrong\u003eGrimmSpeed 1.3 Bar Radiator Cap\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eWhen your Subaru is pushed beyond standard commuting—such as during aggressive driving or track events—maintaining stable engine temperatures becomes essential. The factory 1.1 Bar (16 PSI) radiator cap performs adequately for daily use, but it may fall short when running performance-oriented coolant blends like distilled water or water\/antifreeze mixtures. These blends offer improved thermal conductivity but lower boiling points, increasing the risk of coolant overflow under high heat. By raising system pressure, you effectively elevate the boiling point, allowing the cooling system to operate more efficiently and reliably under load.\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1362\" class=\"\"\u003e\u003cstrong data-start=\"813\" data-end=\"875\"\u003eGrimmSpeed 1.3 Bar Radiator Cap: Simple, Effective Upgrade\u003c\/strong\u003e\u003cbr data-start=\"875\" data-end=\"878\"\u003eThe GrimmSpeed High-Pressure Radiator Cap is a cost-effective solution to improve your vehicle’s cooling performance. Rated at 1.3 Bar, this upgraded cap ensures better containment of coolant, reducing the chance of overflow and keeping temperatures in check during extended performance use. Precision-built for durability, it not only enhances reliability but also adds a polished look under the hood—making it an excellent choice for both function and style-conscious Subaru owners.\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1362\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1362\" class=\"\"\u003e\u003cstrong\u003eDETAILS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"103\" data-end=\"176\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"105\" data-end=\"176\" class=\"\"\u003e\u003cstrong\u003eIncreases cooling system pressure to 1.3 Bar for enhanced performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"177\" data-end=\"249\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"179\" data-end=\"249\" class=\"\"\u003e\u003cstrong\u003eReduces risk of coolant overflow under high heat or track conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"250\" data-end=\"312\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"252\" data-end=\"312\" class=\"\"\u003e\u003cstrong\u003eIdeal for vehicles running water or water\/coolant mixtures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"313\" data-end=\"370\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"315\" data-end=\"370\" class=\"\"\u003e\u003cstrong\u003eRaises boiling point for better temperature stability\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"371\" data-end=\"416\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"373\" data-end=\"416\" class=\"\"\u003e\u003cstrong\u003eDirect swap for OEM 1.1 Bar radiator caps\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"417\" data-end=\"464\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"419\" data-end=\"464\" class=\"\"\u003e\u003cstrong\u003eBuilt with durable, high-quality components\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"465\" data-end=\"500\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"467\" data-end=\"500\" class=\"\"\u003e\u003cstrong\u003eBudget-friendly cooling upgrade\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"501\" data-end=\"548\" class=\"\" style=\"font-weight: bold;\"\u003e\n\u003cp data-start=\"503\" data-end=\"548\" class=\"\"\u003e\u003cstrong\u003eSleek, functional addition to your engine bay\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"null\"\u003e\u003cstrong\u003eQuick Specs:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e1.3 Bar\/18.9 PSI Pressure Rated\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIncreases Cooling System Efficiency\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eElectro-coated Stamped Steel Construction\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHeavy-Duty Silicone Seal\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eUnderstated Look Eliminates Ugly OEM Yellow Badge\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eManufactured in Japan\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"null\"\u003e\u003cstrong\u003eFitments:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAll Subaru Radiators and\/or Expansion Tanks\u003c\/li\u003e\n\u003cli\u003eMany (but not all) Nissan, Mitsubishi, Honda, Mazda, and Toyota Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*fitment note - not suited to replace the 1-way \"earless\" cap on the STI radiators, but will work perfectly on the upper expansion tank!\u003c\/em\u003e\u003c\/p\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":47772486729828,"sku":"GRM1.1013.1.BLK","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/8413\/6804\/files\/RadCaps-1.jpg?v=1769388165","url":"https:\/\/4thto5thautomotive.com\/products\/grimmspeed-1-3-bar-radiator-cap-subaru-universal","provider":"4thto5thAutomotive","version":"1.0","type":"link"}