{"product_id":"manley-chevrolet-big-block-int-2-190-head-diameter-5-218-overall-length-3715-stem-race-flo-valve-single","title":"Manley Race Flo Performance Valves – Chevrolet Big Block Int. 2.190 Head Diameter. 5.218 Overall Length .3715 Stem Valve (Single)","description":"\u003cp\u003eEngine builders working with Chevrolet Big Block Int. 2.190 Head Diameter. 5.218 Overall Length .3715 Stem Valve (Single) can use this Race Flo Performance Valves valve valve family to choose the required valve dimensions while staying within the correct Manley application group. Use the exact Manley part number shown below to distinguish this product from similar valves offered for the same or related engine family.\u003c\/p\u003e\u003cp\u003eThe correct Chevrolet Big Block Int. 2.190 Head Diameter. 5.218 Overall Length .3715 Stem Valve (Single) valve is the one that matches the finished head. Stem clearance, seat contact, installed height, spring package, and keeper location should all be checked during assembly.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chevrolet Big Block Int. 2.190 Head Diameter. 5.218 Overall Length .3715 Stem Valve (Single)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Race Flo Performance Valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e Race Series application focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11528-1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Quantity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e One valve is supplied per selected SKU. Order the intake or exhaust quantity required for the cylinder-head configuration being assembled. This quantity applies to the selected Manley SKU family shown on this product page.\u003c\/p\u003e\u003ch3\u003eSelection \u0026amp; Fitment Notes\u003c\/h3\u003e\u003cp\u003eBefore purchase, compare the selected valve dimensions with your head manufacturer or engine builder’s specification, including stem diameter, valve length, seat diameter, and keeper arrangement.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProfessional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":50207019401466,"sku":"MAN11528-1","price":23.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/60a800d0c1f947d0f60d7b7f5af0f3caL_05cbb743-e329-43bc-8d59-31cc612df7a5.jpg?v=1787802367","url":"https:\/\/lgcracing.com\/products\/manley-chevrolet-big-block-int-2-190-head-diameter-5-218-overall-length-3715-stem-race-flo-valve-single","provider":"Legacy Racing","version":"1.0","type":"link"}