COMP Cams - 51-423-11
Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.502 / 0.510 in - Duration 276 / 282 - 110 LSA - 1800 / 5600 RPM - Pontiac V8 - Each
Great for street machines, needs headers, low gears and 2200+ stall.
Lobe Separation: 110
Intake Valve Lift: 0.502
Exhaust Valve Lift: 0.51
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Billet Steel
Cam and Lifter Kit Upgrade: CL51-423-11
K-Kit Upgrade: K51-423-11
Lifter Type: Hydraulic Roller
SK-Kit Upgrade: SK51-423-11
Amazon ASIN: N/A
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Engine Family: Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Camshaft Series: Xtreme Energy
Usage: Street/Performance
Cam Type: Hydraulic Roller
Grind Number: XR276HR
Basic Operating RPM Range: 1,800-5,000
Intake Duration at .050 Inch Lift: 224
Exhaust Duration at .050 inch Lift: 230
Advertised Intake Duration: 276
Advertised Exhaust Duration: 282
Year
Make
Model
Submodel
Engine
1977 - 1979
Pontiac
Bonneville
Base
4.9L
1971, 1974, 1977 - 1979
Pontiac
Bonneville
Base
5.7L
1958
Pontiac
Bonneville
Base
6.1L
1959 - 1966
Pontiac
Bonneville
Base
6.4L
1967 - 1971, 1973 - 1979
Pontiac
Bonneville
Base
6.6L
1963 - 1966
Pontiac
Bonneville
Base
6.9L
1967 - 1969
Pontiac
Bonneville
Base
7.0L
1970 - 1971, 1973 - 1976
Pontiac
Bonneville
Base
7.5L
1977 - 1979
Pontiac
Bonneville
Brougham
4.9L
1977 - 1979
Pontiac
Bonneville
Brougham
5.7L
1976 - 1979
Pontiac
Bonneville
Brougham
6.6L
1976
Pontiac
Bonneville
Brougham
7.5L
1978 - 1979
Pontiac
Bonneville
Safari
4.9L
1978 - 1979
Pontiac
Bonneville
Safari
5.7L
1959 - 1966
Pontiac
Bonneville
Safari
6.4L
1967 - 1970, 1978 - 1979
Pontiac
Bonneville
Safari
6.6L
1963 - 1966
Pontiac
Bonneville
Safari
6.9L
1967 - 1969
Pontiac
Bonneville
Safari
7.0L
1970
Pontiac
Bonneville
Safari
7.5L
1964 - 1966
Pontiac
Catalina
2+2
6.9L
1967
Pontiac
Catalina
2+2
7.0L
1977 - 1979
Pontiac
Catalina
Base
3.8L
1977 - 1979
Pontiac
Catalina
Base
4.1L
1955
Pontiac
Catalina
Base
4.7L
1977 - 1979
Pontiac
Catalina
Base
4.9L
1956
Pontiac
Catalina
Base
5.2L
1957, 1970 - 1971, 1973, 1976 - 1979
Pontiac
Catalina
Base
5.7L
1958
Pontiac
Catalina
Base
6.1L
1959 - 1966
Pontiac
Catalina
Base
6.4L
1967 - 1971, 1973 - 1978
Pontiac
Catalina
Base
6.6L
1961 - 1966
Pontiac
Catalina
Base
6.9L
1967 - 1969
Pontiac
Catalina
Base
7.0L
1970 - 1971, 1973 - 1976
Pontiac
Catalina
Base
7.5L
1971 - 1972
Pontiac
Catalina
Brougham
5.7L
1971 - 1972
Pontiac
Catalina
Brougham
6.6L
1971 - 1972
Pontiac
Catalina
Brougham
7.5L
1977 - 1979
Pontiac
Catalina
Safari
4.9L
1970 - 1973, 1977 - 1979
Pontiac
Catalina
Safari
5.7L
1959 - 1966
Pontiac
Catalina
Safari
6.4L
1967 - 1979
Pontiac
Catalina
Safari
6.6L
1963 - 1966
Pontiac
Catalina
Safari
6.9L
1967 - 1969
Pontiac
Catalina
Safari
7.0L
1970 - 1976
Pontiac
Catalina
Safari
7.5L
1970
Pontiac
Catalina
Ventura
5.7L
1962 - 1966
Pontiac
Catalina
Ventura
6.4L
1967 - 1970
Pontiac
Catalina
Ventura
6.6L
1962 - 1966
Pontiac
Catalina
Ventura
6.9L
1967 - 1969
Pontiac
Catalina
Ventura
7.0L
1970
Pontiac
Catalina
Ventura
7.5L
1955
Pontiac
Chieftain
Base
4.7L
1956
Pontiac
Chieftain
Base
5.2L
1957
Pontiac
Chieftain
Base
5.7L
1958
Pontiac
Chieftain
Base
6.1L
1955
Pontiac
Chieftain
Safari
4.7L
1958
Pontiac
Chieftain
Safari
6.1L
1968 - 1969
Pontiac
Executive
Base
1967 - 1970
Pontiac
Executive
Base
6.6L
1967 - 1969
Pontiac
Executive
Base
7.0L
1970
Pontiac
Executive
Base
7.5L
1968 - 1969
Pontiac
Executive
Safari
1967 - 1970
Pontiac
Executive
Safari
6.6L
1967 - 1969
Pontiac
Executive
Safari
7.0L
1970
Pontiac
Executive
Safari
7.5L
1967, 1977, 1979
Pontiac
Firebird
Base
3.8L
1968 - 1974
Pontiac
Firebird
Base
4.1L
1977, 1979
Pontiac
Firebird
Base
4.9L
1977, 1979
Pontiac
Firebird
Base
5.0L
1967
Pontiac
Firebird
Base
5.3L
1968 - 1974, 1977, 1979
Pontiac
Firebird
Base
5.7L
1967 - 1974, 1977
Pontiac
Firebird
Base
6.6L
1971 - 1974
Pontiac
Firebird
Base
7.5L
1977, 1979
Pontiac
Firebird
Esprit
3.8L
1970 - 1974
Pontiac
Firebird
Esprit
4.1L
1977, 1979
Pontiac
Firebird
Esprit
4.9L
1977, 1979
Pontiac
Firebird
Esprit
5.0L
1970 - 1974, 1977, 1979
Pontiac
Firebird
Esprit
5.7L
1970 - 1974
Pontiac
Firebird
Esprit
6.6L
1971 - 1974
Pontiac
Firebird
Esprit
7.5L
1977, 1979
Pontiac
Firebird
Formula
4.9L
1977, 1979
Pontiac
Firebird
Formula
5.0L
1970 - 1974, 1977, 1979
Pontiac
Firebird
Formula
5.7L
1970 - 1974, 1977, 1979
Pontiac
Firebird
Formula
6.6L
1971 - 1974
Pontiac
Firebird
Formula
7.5L
1979
Pontiac
Firebird
Trans Am
4.9L
1970 - 1975
Pontiac
Firebird
Trans Am
5.7L
1969 - 1976, 1979
Pontiac
Firebird
Trans Am
6.6L
1971 - 1976
Pontiac
Firebird
Trans Am
7.5L
1979
Pontiac
Grand Am
Base
3.8L
1978 - 1979
Pontiac
Grand Am
Base
4.9L
1978 - 1979
Pontiac
Grand Am
Base
5.0L
1973 - 1975
Pontiac
Grand Am
Base
5.7L
1973 - 1975
Pontiac
Grand Am
Base
6.6L
1973 - 1975
Pontiac
Grand Am
Base
7.5L
1977, 1979
Pontiac
Grand LeMans
Base
3.8L
1975 - 1976
Pontiac
Grand LeMans
Base
4.1L
1976
Pontiac
Grand LeMans
Base
4.3L
1977, 1979
Pontiac
Grand LeMans
Base
4.9L
1977, 1979
Pontiac
Grand LeMans
Base
5.0L
1975 - 1977
Pontiac
Grand LeMans
Base
5.7L
1975 - 1977
Pontiac
Grand LeMans
Base
6.6L
1975 - 1976
Pontiac
Grand LeMans
Base
7.5L
1979
Pontiac
Grand LeMans
Safari
3.8L
1977, 1979
Pontiac
Grand LeMans
Safari
4.9L
1979
Pontiac
Grand LeMans
Safari
5.0L
1977, 1979
Pontiac
Grand LeMans
Safari
5.7L
1977
Pontiac
Grand LeMans
Safari
6.6L
1978 - 1979
Pontiac
Grand Prix
Base
3.8L
1977 - 1979
Pontiac
Grand Prix
Base
4.9L
1978 - 1979
Pontiac
Grand Prix
Base
5.0L
1976 - 1977
Pontiac
Grand Prix
Base
5.7L
1962 - 1966
Pontiac
Grand Prix
Base
6.4L
1967 - 1973, 1976 - 1977
Pontiac
Grand Prix
Base
6.6L
1963 - 1966
Pontiac
Grand Prix
Base
6.9L
1967 - 1969
Pontiac
Grand Prix
Base
7.0L
1970 - 1973, 1976
Pontiac
Grand Prix
Base
7.5L
1979
Pontiac
Grand Prix
LJ
3.8L
1977 - 1979
Pontiac
Grand Prix
LJ
4.9L
1978 - 1979
Pontiac
Grand Prix
LJ
5.0L
1977
Pontiac
Grand Prix
LJ
5.7L
1975, 1977
Pontiac
Grand Prix
LJ
6.6L
1975
Pontiac
Grand Prix
LJ
7.5L
1979
Pontiac
Grand Prix
SJ
3.8L
1978 - 1979
Pontiac
Grand Prix
SJ
4.9L
1978 - 1979
Pontiac
Grand Prix
SJ
5.0L
1975 - 1976
Pontiac
Grand Prix
SJ
6.6L
1975 - 1976
Pontiac
Grand Prix
SJ
7.5L
1977
Pontiac
Grand Safari
Base
4.9L
1971 - 1974, 1977
Pontiac
Grand Safari
Base
5.7L
1971 - 1974, 1976 - 1977
Pontiac
Grand Safari
Base
6.6L
1971 - 1974, 1976
Pontiac
Grand Safari
Base
7.5L
1972 - 1974
Pontiac
Grandville
Base
6.6L
1971 - 1974
Pontiac
Grandville
Base
7.5L
1975
Pontiac
Grandville
Brougham
6.6L
1975
Pontiac
Grandville
Brougham
7.5L
1964 - 1966
Pontiac
GTO
Base
6.4L
1967 - 1973
Pontiac
GTO
Base
6.6L
1970 - 1973
Pontiac
GTO
Base
7.5L
1963
Pontiac
LeMans
Base
3.2L
1979
Pontiac
LeMans
Base
3.3L
1964 - 1965
Pontiac
LeMans
Base
3.5L
1966 - 1967, 1977, 1979
Pontiac
LeMans
Base
3.8L
1968 - 1974, 1976 - 1977
Pontiac
LeMans
Base
4.1L
1976
Pontiac
LeMans
Base
4.3L
1979
Pontiac
LeMans
Base
4.4L
1977, 1979
Pontiac
LeMans
Base
4.9L
1976 - 1977, 1979
Pontiac
LeMans
Base
5.0L
1963 - 1967
Pontiac
LeMans
Base
5.3L
1968 - 1974, 1976 - 1977
Pontiac
LeMans
Base
5.7L
1968 - 1974, 1976 - 1977
Pontiac
LeMans
Base
6.6L
1970 - 1974, 1976
Pontiac
LeMans
Base
7.5L
1972 - 1973
Pontiac
LeMans
Luxury
5.7L
1972 - 1973
Pontiac
LeMans
Luxury
7.5L
1979
Pontiac
LeMans
Safari
3.3L
1979
Pontiac
LeMans
Safari
3.8L
1969 - 1970, 1973 - 1974
Pontiac
LeMans
Safari
4.1L
1979
Pontiac
LeMans
Safari
4.4L
1977, 1979
Pontiac
LeMans
Safari
4.9L
1979
Pontiac
LeMans
Safari
5.0L
1969 - 1970, 1973 - 1974, 1977, 1979
Pontiac
LeMans
Safari
5.7L
1969 - 1970, 1973 - 1974, 1977
Pontiac
LeMans
Safari
6.6L
1970, 1973 - 1974
Pontiac
LeMans
Safari
7.5L
1977
Pontiac
LeMans
Sport
3.8L
1970 - 1974, 1976
Pontiac
LeMans
Sport
4.1L
1976
Pontiac
LeMans
Sport
4.3L
1977
Pontiac
LeMans
Sport
4.9L
1977
Pontiac
LeMans
Sport
5.0L
1970 - 1971, 1973 - 1974, 1976 - 1977
Pontiac
LeMans
Sport
5.7L
1970 - 1971, 1973 - 1974, 1976 - 1977
Pontiac
LeMans
Sport
6.6L
1970 - 1974, 1976
Pontiac
LeMans
Sport
7.5L
1971
Pontiac
LeMans
T37
4.1L
1971
Pontiac
LeMans
T37
5.7L
1971
Pontiac
LeMans
T37
6.6L
1971
Pontiac
LeMans
T37
7.5L
1955 - 1961
Pontiac
Star Chief
Base
4.3L
1955
Pontiac
Star Chief
Base
4.7L
1956
Pontiac
Star Chief
Base
5.2L
1957
Pontiac
Star Chief
Base
5.7L
1958
Pontiac
Star Chief
Base
6.1L
1959 - 1966
Pontiac
Star Chief
Base
6.4L
1963 - 1966
Pontiac
Star Chief
Base
6.9L
1966
Pontiac
Star Chief
Executive
6.4L
1966
Pontiac
Star Chief
Executive
6.9L
1958
Pontiac
Super Chief
Base
6.1L
1964 - 1967
Pontiac
Tempest
Base
1961, 1963
Pontiac
Tempest
Base
3.2L
1961, 1964 - 1965
Pontiac
Tempest
Base
3.5L
1966 - 1967
Pontiac
Tempest
Base
3.8L
1968 - 1970
Pontiac
Tempest
Base
4.1L
1963 - 1967
Pontiac
Tempest
Base
5.3L
1968 - 1970
Pontiac
Tempest
Base
5.7L
1961
Pontiac
Tempest
Base
6.4L
1968 - 1970
Pontiac
Tempest
Base
6.6L
1964 - 1965
Pontiac
Tempest
Custom
3.5L
1965
Pontiac
Tempest
Custom
3.8L
1968 - 1969
Pontiac
Tempest
Custom
4.1L
1964 - 1965
Pontiac
Tempest
Custom
5.3L
1968 - 1969
Pontiac
Tempest
Custom
5.7L
1968 - 1969
Pontiac
Tempest
Custom
6.6L
1961
Pontiac
Tempest
LeMans
3.2L
1961
Pontiac
Tempest
LeMans
3.5L
1961
Pontiac
Tempest
LeMans
6.4L
1961, 1963
Pontiac
Tempest
Safari
3.2L
1961, 1964 - 1965
Pontiac
Tempest
Safari
3.5L
1966 - 1967
Pontiac
Tempest
Safari
3.8L
1968 - 1969
Pontiac
Tempest
Safari
4.1L
1963 - 1967
Pontiac
Tempest
Safari
5.3L
1968 - 1969
Pontiac
Tempest
Safari
5.7L
1961
Pontiac
Tempest
Safari
6.4L
1968 - 1969
Pontiac
Tempest
Safari
6.6L
1977
Pontiac
Ventura
Base
2.5L
1977
Pontiac
Ventura
Base
3.8L
1971 - 1972
Pontiac
Ventura
Base
4.1L
1977
Pontiac
Ventura
Base
4.9L
1971 - 1972, 1977
Pontiac
Ventura
Base
5.0L
1971 - 1972, 1977
Pontiac
Ventura
Base
5.7L
1960 - 1961
Pontiac
Ventura
Base
6.4L
1961
Pontiac
Ventura
Base
6.9L
1974
Pontiac
Ventura
GTO
5.7L
1977
Pontiac
Ventura
SJ
3.8L
1977
Pontiac
Ventura
SJ
4.9L
1977
Pontiac
Ventura
SJ
5.0L
1977
Pontiac
Ventura
SJ
5.7L
