{"product_id":"manley-chevy-ls-3-l-99-small-block-l-92-head-2-165-pro-flo-hollow-stem-intake-valves-set-of-8","title":"Manley Performance LS-3\/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) fits Chevy","description":"Manley 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.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44491836424399,"sku":"MAN11686H-8","price":694.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4164\/7055\/files\/Manley-Chevy-LS-3L-99-Small-Block-L-92-Head-2165-P-1758650722.webp?v=1758650723","url":"https:\/\/www.cimotorsports.com\/products\/manley-chevy-ls-3-l-99-small-block-l-92-head-2-165-pro-flo-hollow-stem-intake-valves-set-of-8","provider":"CI Motorsports","version":"1.0","type":"link"}