{"product_id":"manley-chevrolet-l83-5-3l-1-560in-head-diameter-pro-flo-severe-duty-exhaust-valve-set-of-8","title":"Manley Severe Duty Pro Flo Exhaust Valves – Chevrolet L83 5.3L | 1.560\" Head | Set of 8","description":"\u003cp\u003eThis Severe Duty Pro Flo exhaust valve listing is organized specifically for Chevrolet L83 5.3L, with the available dimensions presented as selectable configurations for easier cylinder-head planning. The parent listing is distinguished by \u003cstrong\u003e1.560\"; Head \/ Set of 8\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eIf the Chevrolet L83 5.3L 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 L83 5.3L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Severe Duty Pro Flo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e 1.560\"; Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e Set of 8\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 12361-8\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":50207045583098,"sku":"MAN12361-8","price":301.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/9f3fe65eab22c1b800b67cb4ba0de39eL_e0796fd0-84a6-42ce-b0cb-9b12c63d18b3.jpg?v=1787979062","url":"https:\/\/lgcracing.com\/products\/manley-chevrolet-l83-5-3l-1-560in-head-diameter-pro-flo-severe-duty-exhaust-valve-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}