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Equivalent to OEM part numbers 780.36.031.000 and 78036031000.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve - Exhaust"},{"label":"Variant Id","value":"264107"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5031_2EPX_2ESS/a62b62c47fdef8d6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5031_2EPX_2ESS/a62b62c47fdef8d6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5031_2EPX_2ESS/279c6faad7d5c7b2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5031_2EPX_2ESS/45ed9076d6f9405c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5031_2EPX_2ESS/c82f1368197ca37b.jpg"],"description":"ProX steel exhaust valve. Head Diameter 33.10mm, Stem Diameter 5.00mm, Length 92.25mm. Part Number 28.6428-1. Equivalent to OEM part numbers 780.36.031.000 and 78036031000.","descriptionMarkdown":"### ProX Stainless Steel Exhaust Valve\n\nUpgrade your motorcycle's performance with this high-quality ProX Stainless Steel Exhaust Valve. Engineered for durability and optimal engine function, this valve is designed to withstand the demanding conditions of high-performance riding.\n\n#### Key Features:\n\n \n- Material: Constructed from high-grade stainless steel for superior strength and corrosion resistance.\n \n- Dimensions: Features a head diameter of 33.10mm, a stem diameter of 5.00mm, and a length of 92.25mm.\n \n- High Temperature Performance: Designed to maintain integrity and performance even at elevated engine temperatures.\n \n- Advanced Coatings: May include additional coatings such as CrN for extreme durability and wear resistance (refer to specific product details).\n \n- Forged Construction: Utilizes one-piece forged construction for enhanced strength and reliability.\n \n- High Tech Alloy: Made with advanced Ti3al alloy for exceptional material properties under stress and heat.\n\nProX is a trusted name in performance engine components, offering a range of steel and titanium valves, as well as conversion kits. 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