{"product_id":"manley-chrysler-hemi-6-4l-1-654-race-master-exhaust-valves-set-of-8","title":"Manley Race Master Exhaust Valve Set 1.654\" (8pcs): Fits Chrysler 6.4L 392 HEMI 2011-2024","description":"\u003ch1\u003eManley Performance Race Master Exhaust Valve Set\u003c\/h1\u003e\n\u003ch2\u003e2011–2024 Chrysler 300, Dodge Challenger, Dodge Charger, Dodge Durango, Jeep Grand Cherokee, Jeep Wrangler, Ram 2500, Ram 3500, Jeep Grand Wagoneer 6.4L 392 HEMI\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 12331B-8\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Manley Performance Race Master Exhaust Valve Set is engineered specifically for the Chrysler 6.4L 392 HEMI engine, covering model years 2011 through 2024. Designed for high-performance racing applications, these exhaust valves deliver exceptional durability and reliability under extreme conditions. Whether you’re building a bracket racer, drag car, or oval track machine, these valves provide the strength and precision needed to support aggressive cam profiles and engine speeds up to 8000 RPM.\u003c\/p\u003e\n\u003cp\u003eBuilt to withstand the intense heat and stress of competitive motorsports, Manley’s Race Master valves help maintain optimal exhaust flow and valve sealing, ensuring consistent performance and extended valve life. This set of eight valves is ideal for complete engine rebuilds or performance upgrades on Chrysler 6.4L HEMI-powered vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eManley’s Race Master Exhaust Valves incorporate advanced engineering and materials to meet the demands of high-RPM racing environments:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from premium, heat-resistant materials for superior durability in extreme conditions\u003c\/li\u003e\n  \u003cli\u003ePrecisely sized 1.654-inch valve head diameter optimized for Chrysler 6.4L HEMI exhaust ports\u003c\/li\u003e\n  \u003cli\u003eDesigned to endure stresses of bracket, drag, and oval track racing without compromising reliability\u003c\/li\u003e\n  \u003cli\u003ePrecision manufacturing ensures consistent valve seat sealing and long service life\u003c\/li\u003e\n  \u003cli\u003eSupports engine operation up to 8000 RPM with aggressive camshaft profiles\u003c\/li\u003e\n  \u003cli\u003eDirect fit for factory valve guides and seats, enabling straightforward installation\u003c\/li\u003e\n  \u003cli\u003eSet of 8 valves included for full exhaust valve replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eManley’s Race Master Exhaust Valves are crafted from high-grade materials selected for their exceptional heat resistance and wear properties, essential for high-performance racing engines. The valves feature a robust stem and head design engineered to maintain structural integrity at elevated engine speeds and temperatures.\u003c\/p\u003e\n\u003cp\u003eThe 1.654-inch valve head diameter is carefully matched to the Chrysler 6.4L HEMI exhaust port dimensions, promoting efficient exhaust gas evacuation and improved engine breathing. Precision machining and stringent quality control ensure each valve meets exacting tolerances for optimal fit, sealing, and durability.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThese exhaust valves are designed as direct replacements for the Chrysler 6.4L 392 HEMI engine exhaust valves found in a wide range of vehicles from 2011 to 2024. They fit seamlessly into the factory valve guides and seats, allowing for straightforward installation by experienced engine builders and machinists. No modifications to the cylinder head or valve train components are typically required when upgrading to these valves.\u003c\/p\u003e\n\u003cp\u003eCompatible vehicles include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2011–2024 Chrysler 300 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Dodge Challenger 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Dodge Charger 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Dodge Durango 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Jeep Grand Cherokee 6.4L SRT8\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Jeep Wrangler 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Ram 2500 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Ram 3500 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2021–2024 Jeep Grand Wagoneer 6.4L 392\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 8 Manley Race Master Exhaust Valves (1.654\" diameter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis valve set is perfect for racers, engine builders, and performance enthusiasts focused on maximizing the durability and efficiency of Chrysler 6.4L HEMI race engines. It is especially suited for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBracket and drag racing applications\u003c\/li\u003e\n  \u003cli\u003eOval track racing engines\u003c\/li\u003e\n  \u003cli\u003eHigh-RPM race engines operating up to 8000 RPM\u003c\/li\u003e\n  \u003cli\u003ePerformance builds requiring reliable, race-proven valve components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":46206623842516,"sku":"12331B-8","price":202.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0011116_1160_8abcc06748efc38771788b16aecbc122_535560b2-5af4-4fb4-9a48-c62fad090227.webp?v=1771902840","url":"https:\/\/fasthemis.com\/products\/manley-chrysler-hemi-6-4l-1-654-race-master-exhaust-valves-set-of-8","provider":"FastHemis","version":"1.0","type":"link"}