{"product_id":"comp-cams-48-602-5-big-mutha-thumpr-hydraulic-flat-camshaft-for-chevrolet-348-409-engines","title":"COMP Cams 48-602-5 Big Mutha' Thumpr Hydraulic Flat Camshaft for Chevrolet 348-409 Engines","description":"Classic Big Mutha' Thumpr 242\/257 Hydraulic Flat Cam for Chevrolet 348-409. Street\/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.\nStreet\/strip, aluminum heads necessary, 2500+ stall, gears and headers, very rough idle.\n\u003cp\u003eUpgrade your Chevrolet 348-409 engine with the COMP Cams Big Mutha' Thumpr 295T H-107 T hydraulic flat camshaft, designed for street and strip performance. This camshaft features a high-lift profile and aggressive timing that delivers a significant increase in horsepower and torque, making it ideal for enthusiasts seeking maximum performance. The camshaft requires a 9.5:1 compression ratio and is best paired with aluminum cylinder heads, a high-stall torque converter of 2500+ RPM, and upgraded gears and headers for optimal results. It produces a very rough idle, characteristic of aggressive cam profiles, and is suitable for street-driven vehicles where performance is prioritized over comfort.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for Chevrolet 348-409 engines, including models like the 1960-1965 Impala, Bel Air, Biscayne, and Brookwood\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCam Profile: Hydraulic flat tappet with a high lift and duration for increased horsepower and torque\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePerformance Target: Suitable for street\/strip applications with a 9.5:1 compression ratio and 2800+ stall converters\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaterial Compatibility: Requires aluminum cylinder heads for optimal performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIdle Characteristics: Produces a very rough idle typical of aggressive cam profiles\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInstallation Requirements: Needs upgraded gears and headers to maximize performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompliance: Not carb approved, carb acknowledgment required, prop 65 compliant\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits\u003cbr\u003e\nChevrolet Bel Air Base 1958\u003cbr\u003e\nChevrolet Bel Air Base 1959\u003cbr\u003e\nChevrolet Bel Air Base 1960\u003cbr\u003e\nChevrolet Bel Air Base 1961\u003cbr\u003e\nChevrolet Bel Air Base 1962\u003cbr\u003e\nChevrolet Bel Air Base 1963\u003cbr\u003e\nChevrolet Bel Air Base 1964\u003cbr\u003e\nChevrolet Bel Air Base 1965\u003cbr\u003e\nChevrolet Biscayne Base 1958\u003cbr\u003e\nChevrolet Biscayne Base 1959\u003cbr\u003e\nChevrolet Biscayne Base 1960\u003cbr\u003e\nChevrolet Biscayne Base 1961\u003cbr\u003e\nChevrolet Biscayne Base 1962\u003cbr\u003e\nChevrolet Biscayne Base 1963\u003cbr\u003e\nChevrolet Biscayne Base 1964\u003cbr\u003e\nChevrolet Biscayne Base 1965\u003cbr\u003e\nChevrolet Biscayne Fleetmaster 1960\u003cbr\u003e\nChevrolet Brookwood Base 1958\u003cbr\u003e\nChevrolet Brookwood Base 1959\u003cbr\u003e\nChevrolet Brookwood Base 1960\u003cbr\u003e\nChevrolet Brookwood Base 1961\u003cbr\u003e\nChevrolet Del Ray Base 1958\u003cbr\u003e\nChevrolet Impala Base 1959\u003cbr\u003e\nChevrolet Impala Base 1960\u003cbr\u003e\nChevrolet Impala Base 1961\u003cbr\u003e\nChevrolet Impala Base 1962\u003cbr\u003e\nChevrolet Impala Base 1963\u003cbr\u003e\nChevrolet Impala Base 1964\u003cbr\u003e\nChevrolet Impala Base 1965\u003cbr\u003e\nChevrolet Impala SS 1964\u003cbr\u003e\nChevrolet Impala SS 1965","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55157011513649,"sku":"4392545","price":350.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/3643eb9cdcc41ff9ae826d01162a7bb4.jpg?v=1783577980","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-48-602-5-big-mutha-thumpr-hydraulic-flat-camshaft-for-chevrolet-348-409-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}