{"product_id":"manley-small-block-chevrolet-2-055-diameter-200-longer-severe-duty-intake-valves-set-of-8","title":"Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8","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":43634220400817,"sku":"MAN11700-8","price":298.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/0779\/0001\/files\/5f4b70fa0b8a870e0877005e4b8d1853_9825bbb3-0885-41a6-aaa8-df4f32799f7f.jpg?v=1712060918","url":"https:\/\/supreme-mods.com\/products\/manley-small-block-chevrolet-2-055-diameter-200-longer-severe-duty-intake-valves-set-of-8","provider":"Supreme-Mods.com","version":"1.0","type":"link"}