{"product_id":"manley-oldsmobile-330-intake-valve-kit-2-072in-head-dia-4-713in-o-a-length-0-3415in-stem","title":"Manley Oldsmobile 330 intake Valve Kit - 2.072in Head Dia. 4.713in O\/A Length, 0.3415in Stem","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":42417762107435,"sku":"MAN11548-8","price":317.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2065\/7695\/files\/dc4a4b77a843aede9384abc4c1255f15L_4e09376f-ea0c-4f63-86a6-f0696538be71.jpg?v=1761027958","url":"https:\/\/boosted-creations.com\/products\/manley-oldsmobile-330-intake-valve-kit-2-072in-head-dia-4-713in-o-a-length-0-3415in-stem","provider":"Boosted Creations","version":"1.0","type":"link"}