{"product_id":"stage-4-camshaft-5-7l-hemi","title":"Stage 4 Camshaft 5.7L HEMI","description":"The Brian Tooley Racing Stage 4 Camshaft is a high-performance upgrade specifically engineered for Gen III 5.7L HEMI engines manufactured from 2009 onwards. This camshaft aims to deliver a substantial increase in power and torque while retaining acceptable drivability for street and light track applications.\n\nThis camshaft features a 224-degree intake duration and a 24X-degree exhaust duration at .050\" lift, with valve lifts of .587\" on the intake and .586\" on the exhaust. The operational RPM range is extended from 2300 up to 7400 RPM, providing an additional 1900 RPM of usable powerband. The Stage 4 camshaft is noted for its aggressive idle quality, rated 8 out of 10 on a chop scale, and is tested to deliver significant horsepower and torque gains.\n\nInstallation requires the included VVT cam phaser lock-out kit to disable the variable valve timing system. Additionally, upgraded valve springs are mandatory due to the high valve lift and increased RPM potential, as are non-MDS lifters (requiring an MDS conversion). For optimal performance and drivability, the use of an aftermarket torque converter and a professional engine tune are highly recommended. Supporting modifications such as long-tube headers and E85 fuel can further enhance performance.\n\nThis Stage 4 camshaft is compatible with a wide array of 5.7L HEMI-equipped vehicles, including Chrysler 300 (2009–2024), Dodge Challenger (2009–2023), Dodge Charger (2009–2023), Dodge Durango (2009–2025), Dodge Ram (2009–2010), Ram 1500\/2500 (2011–2024\/2025), and Jeep Grand Cherokee (2009–2021).","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52687290237240,"sku":"BTR-57HEMIVVTSTG4","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660190340.jpg?v=1784882301","url":"https:\/\/store.motormia.co\/products\/stage-4-camshaft-5-7l-hemi","provider":"MOTORMIA","version":"1.0","type":"link"}