{"product_id":"manley-chevrolet-big-block-5-6-oa-length-severe-duty-series-intake-valves-set-of-8","title":"Manley Severe Duty Intake Valves – Chevrolet Big Block 5.6 OA Length","description":"\u003cp\u003eThis Manley Severe Duty intake valve family is intended for Chevrolet Big Block 5.6 OA Length 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\u003eFor Chevrolet Big Block 5.6 OA 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 5.6 OA Length\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 Intake\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 12340-8\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":50207001084154,"sku":"MAN12340-8","price":311.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/5f4b70fa0b8a870e0877005e4b8d1853_baf3bb32-2486-475b-b751-dec93e0dcdc0.jpg?v=1787802395","url":"https:\/\/lgcracing.com\/products\/manley-chevrolet-big-block-5-6-oa-length-severe-duty-series-intake-valves-set-of-8","provider":"Legacy Racing","version":"1.0","type":"link"}