{"product_id":"manley-severe-duty-series-chevrolet-small-block-stainless-steel-exhaust-valves-2-080in-diameter-5-140in-l-set-of-8","title":"Manley Severe Duty Exhaust Valves – Chevrolet Small Block Stainless Steel","description":"\u003cp\u003eThis Manley Severe Duty exhaust valve family is intended for Chevrolet Small Block Stainless Steel builds where valve dimensions need to be matched deliberately to the cylinder head, seat work, and valvetrain geometry. 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\u003eIf the Chevrolet Small Block Stainless Steel cylinder head has been ported, fitted with oversized seats, or changed from its original valvetrain layout, confirm the required valve measurements after machining rather than using a stock-size assumption.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chevrolet Small Block Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Severe Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e Severe Duty application focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11858-8\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":50207060394234,"sku":"MAN11858-8","price":311.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/5f4b70fa0b8a870e0877005e4b8d1853_66052ca5-32c2-405d-abd2-5e41e751ddab.jpg?v=1787978889","url":"https:\/\/lgcracing.com\/products\/manley-severe-duty-series-chevrolet-small-block-stainless-steel-exhaust-valves-2-080in-diameter-5-140in-l-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}