{"product_id":"manley-head-diameter-1-575-in-stem-diameter-3136-in-o-a-4-923-11681-8","title":"Manley Head Diameter: 1.575 in. - Stem Diameter: .3136 in. - O\/A : 4.923 11681-8","description":"Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.\u003cp\u003e\u003cbr\u003eManley Head Diameter: 1.575 in. - Stem Diameter: .3136 in. - O\/A : 4.923 11681-8\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Valve Quantity\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustry\u003c\/td\u003e\n\u003ctd\u003eAutomotive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOut of Stock Message\u003c\/td\u003e\n\u003ctd\u003eCall for Availability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitle\u003c\/td\u003e\n\u003ctd\u003eManley Valve - Exhaust, Valve-LS1 E\/D 1.575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProp 65 Yes\/No\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProp 65 (C, R or CR)\u003c\/td\u003e\n\u003ctd\u003eCR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProp 65 - Short Label\u003c\/td\u003e\n\u003ctd\u003eProp 65 Warning Label.JPG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003eICE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMake\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eLS1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Market\u003c\/td\u003e\n\u003ctd\u003eDomestic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Diameter\u003c\/td\u003e\n\u003ctd\u003e1.575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Head Diameter\u003c\/td\u003e\n\u003ctd\u003e1.575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Diameter\u003c\/td\u003e\n\u003ctd\u003e0.3136\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Stem Diameter\u003c\/td\u003e\n\u003ctd\u003e0.3136\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO\/A Length\u003c\/td\u003e\n\u003ctd\u003e4.923\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstalled Height\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Length\u003c\/td\u003e\n\u003ctd\u003e4.923\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Tip Length\u003c\/td\u003e\n\u003ctd\u003e0.175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Length\u003c\/td\u003e\n\u003ctd\u003e0.175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMargin Width\u003c\/td\u003e\n\u003ctd\u003e0.065\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Width\u003c\/td\u003e\n\u003ctd\u003e0.115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop of Head\u003c\/td\u003e\n\u003ctd\u003e18 Degree Dish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Head Shape\u003c\/td\u003e\n\u003ctd\u003e18 Degree Dish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnderhead Angle\u003c\/td\u003e\n\u003ctd\u003e25.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnderhead Radius\u003c\/td\u003e\n\u003ctd\u003e7\/16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Head\u003c\/td\u003e\n\u003ctd\u003eLS6 Cylinder Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Series\u003c\/td\u003e\n\u003ctd\u003eExtreme Duty Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Material\u003c\/td\u003e\n\u003ctd\u003eInconel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEngine Exhaust Valve Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Quantity\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_SHO\u003c\/td\u003e\n\u003ctd\u003eValve - Exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_INV\u003c\/td\u003e\n\u003ctd\u003eValve-LS1 E\/D 1.575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ASC\u003c\/td\u003e\n\u003ctd\u003eManley Valve - Exhaust, Valve-LS1 E\/D 1.575.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_LAB\u003c\/td\u003e\n\u003ctd\u003eManley Extr. Dty  Ex. Vlv Kit - Chevrolet Gen III\/IV Small Block - LS1, LS2, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DES\u003c\/td\u003e\n\u003ctd\u003eManley Valve - Exhaust, Valve-LS1 E\/D 1.575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_EXT\u003c\/td\u003e\n\u003ctd\u003eHead Diameter: 1.575 in. - Stem Diameter: .3136 in. - O\/A : 4.923\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_MKT\u003c\/td\u003e\n\u003ctd\u003eDiscover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003eIdeal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003eXH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003eBuilt to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003eOptimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TLE\u003c\/td\u003e\n\u003ctd\u003eManley Extreme Duty Series Exhaust Valve Kit - Chevrolet Gen III\/IV Small Block - LS1, LS2, LS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DEF\u003c\/td\u003e\n\u003ctd\u003eEngine Exhaust Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":43073764196400,"sku":"BBPB_11681-8","price":514.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/public_83077e25-65d8-4090-b0f8-acafed4cba02.jpg?v=1779639318","url":"https:\/\/berryperformancesales.com\/products\/manley-head-diameter-1-575-in-stem-diameter-3136-in-o-a-4-923-11681-8","provider":"Berry Performance Sales","version":"1.0","type":"link"}