{"product_id":"manley-oldsmobile-330-intake-valve-kit-2072in-head-dia-4713in-oa-length-03415in-stem-879879-t14","title":"Manley Oldsmobile 330 intake Valve Kit - 2.072in Head Dia. 4.713in O\/A Length, 0.3415in Stem","description":"\u003ch3\u003e\u003cstrong\u003eManufacturer Part # : 11548-8\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 Oldsmobile 330 intake Valve Kit - 2.072in Head Dia. 4.713in O\/A Length, 0.3415in Stem\u003c\/li\u003e\n  \u003cli\u003eValve - Intake\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLabel Description\u003c\/h2\u003e\n\u003cp\u003eS\/D Oldsmobile 330 Int. Vlv Kt-2.072 in. Dia.,4.713 in. O\/A ,.3415 in. Stm\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\u003eAssociated Comments\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Intake, Valve-330-455 2.072.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Long\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Intake, Valve-330-455 2.072\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-330-455 2.072\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47190614114442,"sku":"T14.879879","price":526.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/dc4a4b77a843aede9384abc4c1255f15L_a5541ba5-cb5e-46c5-b676-daba41e9b649.jpg?v=1760725050","url":"https:\/\/qjipdu-tf.myshopify.com\/products\/manley-oldsmobile-330-intake-valve-kit-2072in-head-dia-4713in-oa-length-03415in-stem-879879-t14","provider":"SBX Performance","version":"1.0","type":"link"}