{"product_id":"manley-ls-7-small-block-chevy-1-615-head-dia-3136-stem-dia-race-master-exhaust-valves-set-of-9","title":"Manley Performance 11689-8 Manley Performance 11689-8Manley LS-7 Small Blo","description":"\u003cp\u003eManley Performance 11689-8 Manley LS-7 Small Block fits Chevy 1.615 Head DIA \/ .3136 Stem DIA Race Master Exhaust Valves (Set of 8)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e : Manley Performance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e : 11689-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlternatePartNumber\u003c\/strong\u003e : man11689-8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e : 807298092706\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Department\u003c\/strong\u003e : Engine Components\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Category\u003c\/strong\u003e : Valves\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoxQuantity\u003c\/strong\u003e : 1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLength\u003c\/strong\u003e : 11.7 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e : 6.3 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e : 2.5 inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e : 2.2 lbs\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProp65\u003c\/strong\u003e : Yes\u003c\/p\u003eStainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44523568660666,"sku":"MAN11689-8","price":257.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/8abcc06748efc38771788b16aecbc122_925b9561-90a8-4339-bbb5-17ebcf216664.jpg?v=1736449043","url":"https:\/\/performancemods.com\/products\/manley-ls-7-small-block-chevy-1-615-head-dia-3136-stem-dia-race-master-exhaust-valves-set-of-9","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}