{"product_id":"manley-chevy-ls-1l-2-small-block-2100-severe-dutypro-flo-intake-valves-set-of-8-299521-t14","title":"Manley Chevy LS-1\/L-2 Small Block 2.100 Severe Duty\/Pro Flo Intake Valves (Set of 8)","description":"\u003ch3\u003e\u003cstrong\u003eManufacturer Part # : 11684-8\u003c\/strong\u003e\u003c\/h3\u003e\u003cbr\u003e\u003ch2\u003eMarket Description\u003c\/h2\u003e\n\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\n\u003ch2\u003eProduct Description - Short\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eManley Chevy LS-1\/L-2 Small Block 2.100 Severe Duty\/Pro Flo Intake Valves (Set of 8)\u003c\/li\u003e\n  \u003cli\u003eValve - Intake\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLabel Description\u003c\/h2\u003e\n\u003cp\u003eSevere Dty?  Intake Vlv Kit - Chevrolet Gen III\/IV Small Block - LS1, LS2, LS8\u003c\/p\u003e\n\n\u003ch2\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSwirl polishing and machined faces improved airflow\/optimized efficiency\u003c\/li\u003e\n  \u003cli\u003eExotic alloys for superior tensile strength, reliability, and longevity\u003c\/li\u003e\n  \u003cli\u003eProven fatigue strength for extreme performance\u003c\/li\u003e\n  \u003cli\u003eChrome stems and hard tips enhance durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Description - Extended\u003c\/h2\u003e\n\u003cp\u003eHead Diameter: 2.100 in. - Stem Diameter: .3133 in. - O\/A : 4.874\u003c\/p\u003e\n\n\u003ch2\u003eAssociated Comments\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Intake, Valve-LS1 P\/F 2.100.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Long\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Intake, Valve-LS1 P\/F 2.100\u003c\/p\u003e\n\n\u003ch2\u003eAAIA Part Type Description\u003c\/h2\u003e\n\u003cp\u003eEngine Intake Valve\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Invoice\u003c\/h2\u003e\n\u003cp\u003eValve-LS1 P\/F 2.100\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47189576679562,"sku":"T14.299521","price":528.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/5f4b70fa0b8a870e0877005e4b8d1853_e57b8cd8-0234-4728-8d06-29506542d52a.jpg?v=1760708416","url":"https:\/\/qjipdu-tf.myshopify.com\/products\/manley-chevy-ls-1l-2-small-block-2100-severe-dutypro-flo-intake-valves-set-of-8-299521-t14","provider":"SBX Performance","version":"1.0","type":"link"}