COMP Cams 48-602-5 Big Mutha' Thumpr Hydraulic Flat Camshaft for Chevrolet 348-409 Engines

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. Street/strip, aluminum heads necessary, 2500+ stall, gears and headers, very rough idle.

Upgrade 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.

Features:

• Application: Designed for Chevrolet 348-409 engines, including models like the 1960-1965 Impala, Bel Air, Biscayne, and Brookwood

• Cam Profile: Hydraulic flat tappet with a high lift and duration for increased horsepower and torque

• Performance Target: Suitable for street/strip applications with a 9.5:1 compression ratio and 2800+ stall converters

• Material Compatibility: Requires aluminum cylinder heads for optimal performance

• Idle Characteristics: Produces a very rough idle typical of aggressive cam profiles

• Installation Requirements: Needs upgraded gears and headers to maximize performance

• Compliance: Not carb approved, carb acknowledgment required, prop 65 compliant

Fits
Chevrolet Bel Air Base 1958
Chevrolet Bel Air Base 1959
Chevrolet Bel Air Base 1960
Chevrolet Bel Air Base 1961
Chevrolet Bel Air Base 1962
Chevrolet Bel Air Base 1963
Chevrolet Bel Air Base 1964
Chevrolet Bel Air Base 1965
Chevrolet Biscayne Base 1958
Chevrolet Biscayne Base 1959
Chevrolet Biscayne Base 1960
Chevrolet Biscayne Base 1961
Chevrolet Biscayne Base 1962
Chevrolet Biscayne Base 1963
Chevrolet Biscayne Base 1964
Chevrolet Biscayne Base 1965
Chevrolet Biscayne Fleetmaster 1960
Chevrolet Brookwood Base 1958
Chevrolet Brookwood Base 1959
Chevrolet Brookwood Base 1960
Chevrolet Brookwood Base 1961
Chevrolet Del Ray Base 1958
Chevrolet Impala Base 1959
Chevrolet Impala Base 1960
Chevrolet Impala Base 1961
Chevrolet Impala Base 1962
Chevrolet Impala Base 1963
Chevrolet Impala Base 1964
Chevrolet Impala Base 1965
Chevrolet Impala SS 1964
Chevrolet Impala SS 1965