{"product_id":"manley-ford-429-exhaust-valves","title":"Manley Race Series Exhaust Valves – Ford 429","description":"\u003cp\u003eManley packages these Race Series exhaust valves for Ford 429 around the measurements that matter during cylinder-head setup, rather than treating every valve size as a separate shopping path. The selectable configurations in this family are separated by head diameter, overall length, stem diameter, so the final SKU should be chosen from the dimensional requirements of the build.\u003c\/p\u003e\u003cp\u003eFor Ford 429, 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 Ford 429\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Race Series\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\u003eProduct Family Detail:\u003c\/strong\u003e Race Series application focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Numbers:\u003c\/strong\u003e Vary by selected configuration (4 SKUs in this parent family)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\u003cp\u003eThis parent listing contains multiple selectable Manley SKUs. Choose the configuration that matches the measured engine or cylinder-head specification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 1.880in, 1.760in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 5.170in, 5.070in, 5.167in, 5.067in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Diameter:\u003c\/strong\u003e 0.3415in\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\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":"1.880in \/ 5.170in \/ 0.3415in","offer_id":50206924865786,"sku":"MAN11899-8","price":188.69,"currency_code":"USD","in_stock":true},{"title":"1.880in \/ 5.070in \/ 0.3415in","offer_id":50206924898554,"sku":"MAN11829-8","price":188.69,"currency_code":"USD","in_stock":true},{"title":"1.760in \/ 5.167in \/ 0.3415in","offer_id":50206924931322,"sku":"MAN11801-8","price":301.07,"currency_code":"USD","in_stock":true},{"title":"1.760in \/ 5.067in \/ 0.3415in","offer_id":50206924964090,"sku":"MAN11529-8","price":301.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/5f59adb721bd97eaa904eecff3d033b0L_1ab7a97f-a7e8-40db-a3f5-3bbe917af77f.jpg?v=1787978921","url":"https:\/\/lgcracing.com\/products\/manley-ford-429-exhaust-valves","provider":"Legacy Racing","version":"1.0","type":"link"}