{"product_id":"manley-ford-289-302-351w-street-flo-exhaust-valves-1-850-in-dia-for-use-with-rail-type-rockers","title":"Manley Ford 289\/302\/351W Street Flo Exhaust Valves 1.850 in Dia for use with Rail Type Rockers","description":"\u003cp\u003eManley's Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.\u003c\/li\u003e\n\u003cli\u003eSwirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.\u003c\/li\u003e\n\u003cli\u003eChrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.\u003c\/li\u003e\n\u003cli\u003eVariety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 class=\"fitment-table-managed-heading\"\u003eVehicle Fitment\u003c\/h3\u003e\u003cstyle\u003etable.fitment-table-managed, .fitment-table-managed th, .fitment-table-managed td { border: 1px solid #ddd; 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