{"product_id":"manley-performance-11562-8-manley-valve-intake-valve-s-d-2-250","title":"Manley 11562-8 Manley Valve - Intake, Valve-S\/D 2.250","description":"\u003cp\u003eManley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.\u003c\/p\u003e\n\u003cp\u003eManley Valve - Intake, Valve-S\/D 2.250\u003c\/p\u003e\n\u003cp\u003ePlease review Specifications and the detailed fitment table for notes and exceptions.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003ctable class=\"specs\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003ctd\u003eManley Valve - Intake, Valve-S\/D 2.250\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":47999639257301,"sku":"ds_BBPB_11562-8","price":456.99,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/shdp.ca\/products\/manley-performance-11562-8-manley-valve-intake-valve-s-d-2-250","provider":"SHDP Truck \u0026 Auto","version":"1.0","type":"link"}