{"product_id":"classic-big-mutha-thumpr-hydraulic-camshaft","title":"Classic Big Mutha' Thumpr Hydraulic Camshaft","description":"The COMP Cams Classic Big Mutha' Thumpr camshaft is a high-performance hydraulic flat tappet camshaft specifically engineered for Chevrolet 348-409 engine families. With advertised durations of 284 degrees for the intake and 303 degrees for the exhaust, and durations of 242 degrees intake \/ 257 degrees exhaust at 0.050 lift, this camshaft is designed to deliver significant power gains.\n\nThis camshaft features a .537\" intake lift and .521\" exhaust lift, coupled with a 107-degree lobe separation angle. It is optimized for a wide RPM range of 2500-6400 RPM, making it suitable for both street and strip applications. The unique grind characteristics are intended to produce a distinctive, head-turning idle sound and maximize mid- to high-RPM power output.\n\nFor optimal performance and safe operation, this camshaft requires the use of aluminum cylinder heads, a torque converter with a 2500+ stall speed, and the addition of headers. COMP Cams ensures safe piston-to-valve clearance with this grind, allowing for robust performance builds.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":52687442575672,"sku":"CCA-48-602-5","price":341.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660686221.webp?v=1784884099","url":"https:\/\/store.motormia.co\/products\/classic-big-mutha-thumpr-hydraulic-camshaft","provider":"MOTORMIA","version":"1.0","type":"link"}