{"product_id":"manley-chevrolet-big-block-1-880-diameter-stock-length-extreme-duty-exhaust-valves-set-of-8","title":"Manley Extreme Duty Exhaust Valves – Chevrolet Big Block 1.880 Diameter Stock Length","description":"\u003cp\u003eEngine builders working with Chevrolet Big Block 1.880 Diameter Stock Length can use this Extreme Duty exhaust 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\u003eFor Chevrolet Big Block 1.880 Diameter Stock Length, valve diameter changes can alter seat work and chamber\/shrouding relationships, while alternate overall lengths can change installed height and rocker geometry.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chevrolet Big Block 1.880 Diameter Stock Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Extreme Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11587-8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Quantity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSet of 8 valves.\u003c\/strong\u003e The selected configuration is supplied as a 8-piece valve package. 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\u003eConfirm head diameter, overall length, stem diameter, keeper\/groove style, seat compatibility, and installed-height requirements with your cylinder-head specification before ordering.\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":50207018549498,"sku":"MAN11587-8","price":514.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/1ecc177028ebb28898eba0253019ba05L_1f136a5c-1627-402b-bc5f-755ea03aa6a3.jpg?v=1787802416","url":"https:\/\/lgcracing.com\/products\/manley-chevrolet-big-block-1-880-diameter-stock-length-extreme-duty-exhaust-valves-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}