Comp Cams P8 299Th R7 Thumpr Hydraulic Roller Camshaft for Pontiac 265-455 V8

Big Mutha' Thumpr 243/257 Hydraulic Roller for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle. Distributor Gear upgrade required. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. Pontiac 265-455 V8

The Comp Cams P8 299Th R7 Thumpr hydraulic roller camshaft is designed for high-performance street and strip applications on Pontiac V8 engines ranging from 265 to 455 cubic inches. This camshaft features a bold lift and duration profile that delivers aggressive throttle response and a distinctive, rough idle characteristic. Ideal for enthusiasts seeking a combination of streetability and strip performance, it requires a minimum of 9.5:1 compression and can support a stall speed of 2800 RPM or higher. The camshaft is compatible with intake systems, gears, and headers, making it suitable for custom builds and performance upgrades. Please note that a distributor gear upgrade is essential for proper installation and operation, ensuring compatibility with your engine's timing components.

Fits
Pontiac Bonneville Base 1958
Pontiac Bonneville Base 1959
Pontiac Bonneville Base 1960
Pontiac Bonneville Base 1961
Pontiac Bonneville Base 1962
Pontiac Bonneville Base 1963
Pontiac Bonneville Base 1964
Pontiac Bonneville Base 1965
Pontiac Bonneville Base 1966
Pontiac Bonneville Base 1967
Pontiac Bonneville Base 1968
Pontiac Bonneville Base 1969
Pontiac Bonneville Base 1970
Pontiac Bonneville Base 1971
Pontiac Bonneville Base 1973
Pontiac Bonneville Base 1974
Pontiac Bonneville Base 1975
Pontiac Bonneville Base 1976
Pontiac Bonneville Base 1977
Pontiac Bonneville Base 1978
Pontiac Bonneville Base 1979
Pontiac Bonneville Brougham 1976
Pontiac Bonneville Brougham 1977
Pontiac Bonneville Brougham 1978
Pontiac Bonneville Brougham 1979
Pontiac Bonneville Safari 1959
Pontiac Bonneville Safari 1960
Pontiac Bonneville Safari 1961
Pontiac Bonneville Safari 1962
Pontiac Bonneville Safari 1963
Pontiac Bonneville Safari 1964
Pontiac Bonneville Safari 1965
Pontiac Bonneville Safari 1966
Pontiac Bonneville Safari 1967
Pontiac Bonneville Safari 1968
Pontiac Bonneville Safari 1969
Pontiac Bonneville Safari 1970
Pontiac Bonneville Safari 1978
Pontiac Bonneville Safari 1979
Pontiac Catalina 2+2 1964
Pontiac Catalina 2+2 1965
Pontiac Catalina 2+2 1966
Pontiac Catalina 2+2 1967
Pontiac Catalina Base 1955
Pontiac Catalina Base 1956
Pontiac Catalina Base 1957
Pontiac Catalina Base 1958
Pontiac Catalina Base 1959
Pontiac Catalina Base 1960
Pontiac Catalina Base 1961
Pontiac Catalina Base 1962
Pontiac Catalina Base 1963
Pontiac Catalina Base 1964
Pontiac Catalina Base 1965
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Pontiac Catalina Base 1967
Pontiac Catalina Base 1968
Pontiac Catalina Base 1969
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Pontiac Catalina Base 1974
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Pontiac Catalina Base 1977
Pontiac Catalina Base 1978
Pontiac Catalina Base 1979
Pontiac Catalina Brougham 1971
Pontiac Catalina Brougham 1972
Pontiac Catalina Safari 1959
Pontiac Catalina Safari 1960
Pontiac Catalina Safari 1961
Pontiac Catalina Safari 1962
Pontiac Catalina Safari 1963
Pontiac Catalina Safari 1964
Pontiac Catalina Safari 1965
Pontiac Catalina Safari 1966
Pontiac Catalina Safari 1967
Pontiac Catalina Safari 1968
Pontiac Catalina Safari 1969
Pontiac Catalina Safari 1970
Pontiac Catalina Safari 1971
Pontiac Catalina Safari 1972
Pontiac Catalina Safari 1973
Pontiac Catalina Safari 1974
Pontiac Catalina Safari 1975
Pontiac Catalina Safari 1976
Pontiac Catalina Safari 1977
Pontiac Catalina Safari 1978
Pontiac Catalina Safari 1979
Pontiac Catalina Ventura 1962
Pontiac Catalina Ventura 1963
Pontiac Catalina Ventura 1964
Pontiac Catalina Ventura 1965
Pontiac Catalina Ventura 1966
Pontiac Catalina Ventura 1967
Pontiac Catalina Ventura 1968
Pontiac Catalina Ventura 1969
Pontiac Catalina Ventura 1970
Pontiac Chieftain Base 1955
Pontiac Chieftain Base 1956
Pontiac Chieftain Base 1957
Pontiac Chieftain Base 1958
Pontiac Chieftain Safari 1955
Pontiac Chieftain Safari 1958
Pontiac Executive Base 1967
Pontiac Executive Base 1968
Pontiac Executive Base 1969
Pontiac Executive Base 1970
Pontiac Executive Safari 1967
Pontiac Executive Safari 1968
Pontiac Executive Safari 1969
Pontiac Executive Safari 1970
Pontiac Firebird Base 1967
Pontiac Firebird Base 1968
Pontiac Firebird Base 1969
Pontiac Firebird Base 1970
Pontiac Firebird Base 1971
Pontiac Firebird Base 1972
Pontiac Firebird Base 1973
Pontiac Firebird Base 1974
Pontiac Firebird Base 1977
Pontiac Firebird Base 1979
Pontiac Firebird Esprit 1970
Pontiac Firebird Esprit 1971
Pontiac Firebird Esprit 1972
Pontiac Firebird Esprit 1973
Pontiac Firebird Esprit 1974
Pontiac Firebird Esprit 1977
Pontiac Firebird Esprit 1979
Pontiac Firebird Formula 1970
Pontiac Firebird Formula 1971
Pontiac Firebird Formula 1972
Pontiac Firebird Formula 1973
Pontiac Firebird Formula 1974
Pontiac Firebird Formula 1977
Pontiac Firebird Formula 1979
Pontiac Firebird Trans Am 1969
Pontiac Firebird Trans Am 1970
Pontiac Firebird Trans Am 1971
Pontiac Firebird Trans Am 1972
Pontiac Firebird Trans Am 1973
Pontiac Firebird Trans Am 1974
Pontiac Firebird Trans Am 1975
Pontiac Firebird Trans Am 1976
Pontiac Firebird Trans Am 1979
Pontiac Grand Am Base 1973
Pontiac Grand Am Base 1974
Pontiac Grand Am Base 1975
Pontiac Grand Am Base 1978
Pontiac Grand Am Base 1979
Pontiac Grand LeMans Base 1975
Pontiac Grand LeMans Base 1976
Pontiac Grand LeMans Base 1977
Pontiac Grand LeMans Base 1979
Pontiac Grand LeMans Safari 1977
Pontiac Grand LeMans Safari 1979
Pontiac Grand Prix Base 1962
Pontiac Grand Prix Base 1963
Pontiac Grand Prix Base 1964
Pontiac Grand Prix Base 1965
Pontiac Grand Prix Base 1966
Pontiac Grand Prix Base 1967
Pontiac Grand Prix Base 1968
Pontiac Grand Prix Base 1969
Pontiac Grand Prix Base 1970
Pontiac Grand Prix Base 1971
Pontiac Grand Prix Base 1972
Pontiac Grand Prix Base 1973
Pontiac Grand Prix Base 1976
Pontiac Grand Prix Base 1977
Pontiac Grand Prix Base 1978
Pontiac Grand Prix Base 1979
Pontiac Grand Prix LJ 1975
Pontiac Grand Prix LJ 1977
Pontiac Grand Prix LJ 1978
Pontiac Grand Prix LJ 1979
Pontiac Grand Prix SJ 1975
Pontiac Grand Prix SJ 1976
Pontiac Grand Prix SJ 1978
Pontiac Grand Prix SJ 1979
Pontiac Grand Safari Base 1971
Pontiac Grand Safari Base 1972
Pontiac Grand Safari Base 1973
Pontiac Grand Safari Base 1974
Pontiac Grand Safari Base 1976
Pontiac Grand Safari Base 1977
Pontiac Grandville Base 1971
Pontiac Grandville Base 1972
Pontiac Grandville Base 1973
Pontiac Grandville Base 1974
Pontiac Grandville Brougham 1975
Pontiac GTO Base 1964
Pontiac GTO Base 1965
Pontiac GTO Base 1966
Pontiac GTO Base 1967
Pontiac GTO Base 1968
Pontiac GTO Base 1969
Pontiac GTO Base 1970
Pontiac GTO Base 1971
Pontiac GTO Base 1972
Pontiac GTO Base 1973
Pontiac LeMans Base 1963
Pontiac LeMans Base 1964
Pontiac LeMans Base 1965
Pontiac LeMans Base 1966
Pontiac LeMans Base 1967
Pontiac LeMans Base 1968
Pontiac LeMans Base 1969
Pontiac LeMans Base 1970
Pontiac LeMans Base 1971
Pontiac LeMans Base 1972
Pontiac LeMans Base 1973
Pontiac LeMans Base 1974
Pontiac LeMans Base 1976
Pontiac LeMans Base 1977
Pontiac LeMans Base 1979
Pontiac LeMans Luxury 1972
Pontiac LeMans Luxury 1973
Pontiac LeMans Safari 1969
Pontiac LeMans Safari 1970
Pontiac LeMans Safari 1973
Pontiac LeMans Safari 1974
Pontiac LeMans Safari 1977
Pontiac LeMans Safari 1979
Pontiac LeMans Sport 1970
Pontiac LeMans Sport 1971
Pontiac LeMans Sport 1972
Pontiac LeMans Sport 1973
Pontiac LeMans Sport 1974
Pontiac LeMans Sport 1976
Pontiac LeMans Sport 1977
Pontiac LeMans T37 1971
Pontiac Star Chief Base 1955
Pontiac Star Chief Base 1956
Pontiac Star Chief Base 1957
Pontiac Star Chief Base 1958
Pontiac Star Chief Base 1959
Pontiac Star Chief Base 1960
Pontiac Star Chief Base 1961
Pontiac Star Chief Base 1962
Pontiac Star Chief Base 1963
Pontiac Star Chief Base 1964
Pontiac Star Chief Base 1965
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Pontiac Star Chief Executive 1966
Pontiac Super Chief Base 1958
Pontiac Tempest Base 1961
Pontiac Tempest Base 1963
Pontiac Tempest Base 1964
Pontiac Tempest Base 1965
Pontiac Tempest Base 1966
Pontiac Tempest Base 1967
Pontiac Tempest Base 1968
Pontiac Tempest Base 1969
Pontiac Tempest Base 1970
Pontiac Tempest Custom 1964
Pontiac Tempest Custom 1965
Pontiac Tempest Custom 1968
Pontiac Tempest Custom 1969
Pontiac Tempest LeMans 1961
Pontiac Tempest Safari 1961
Pontiac Tempest Safari 1963
Pontiac Tempest Safari 1964
Pontiac Tempest Safari 1965
Pontiac Tempest Safari 1966
Pontiac Tempest Safari 1967
Pontiac Tempest Safari 1968
Pontiac Tempest Safari 1969
Pontiac Ventura Base 1960
Pontiac Ventura Base 1961
Pontiac Ventura Base 1971
Pontiac Ventura Base 1972
Pontiac Ventura Base 1977
Pontiac Ventura GTO 1974
Pontiac Ventura SJ 1977