No shipping to California due to CARB regulation.
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.
Performance application, great mid-range torque, likes headers.
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Vehicle Fitment
| Years |
Make |
Model |
Trim |
| 1967–1975 |
Chevrolet |
BEL AIR |
Base |
| 1967–1972 |
Chevrolet |
Biscayne |
Base |
| 1973–1974 |
Chevrolet |
Blazer |
Base |
| 1969–1972 |
Chevrolet |
Brookwood |
Base |
| 1978–1980 |
Chevrolet |
C10 |
BIG TEN |
| 1975–1980 |
Chevrolet |
C10 |
Cheyenne |
| 1975–1980 |
Chevrolet |
C10 |
Custom Deluxe |
| 1975–1980 |
Chevrolet |
C10 |
Scottsdale |
| 1975–1980 |
Chevrolet |
C10 |
Silverado |
| 1968–1974 |
Chevrolet |
C10 Pickup |
Base |
| 1968–1974 |
Chevrolet |
C10 Suburban |
Base |
| 1975–1980 |
Chevrolet |
C10 Suburban |
Custom Deluxe |
| 1975–1980 |
Chevrolet |
C10 Suburban |
Scottsdale |
| 1975–1980 |
Chevrolet |
C10 Suburban |
Silverado |
| 1975–1981 |
Chevrolet |
C20 |
Cheyenne |
| 1981–1986 |
Chevrolet |
C20 |
Custom |
| 1975–1980 |
Chevrolet |
C20 |
Custom Deluxe |
| 1981 |
Chevrolet |
C20 |
Deluxe |
| 1975–1986 |
Chevrolet |
C20 |
Scottsdale |
| 1975–1986 |
Chevrolet |
C20 |
Silverado |
| 1968–1974 |
Chevrolet |
C20 Pickup |
Base |
| 1968–1974 |
Chevrolet |
C20 Suburban |
Base |
| 1981–1986 |
Chevrolet |
C20 Suburban |
Custom |
| 1975–1980 |
Chevrolet |
C20 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
C20 Suburban |
Deluxe |
| 1975–1980, 1982, 1984–1986 |
Chevrolet |
C20 Suburban |
Scottsdale |
| 1975–1977, 1979–1980, 1982–1986 |
Chevrolet |
C20 Suburban |
Silverado |
| 1992–1993 |
Chevrolet |
C2500 Suburban |
Base |
| 1992–1993 |
Chevrolet |
C2500 Suburban |
Silverado |
| 1975–1981 |
Chevrolet |
C30 |
Cheyenne |
| 1981–1986 |
Chevrolet |
C30 |
Custom |
| 1975–1980 |
Chevrolet |
C30 |
Custom Deluxe |
| 1981 |
Chevrolet |
C30 |
Deluxe |
| 1975–1986 |
Chevrolet |
C30 |
Scottsdale |
| 1975–1986 |
Chevrolet |
C30 |
Silverado |
| 1968–1974 |
Chevrolet |
C30 Pickup |
Base |
| 1972 |
Chevrolet |
Camaro |
|
| 1967, 1969, 1971–1972 |
Chevrolet |
Camaro |
Base |
| 1967, 1969 |
Chevrolet |
Camaro |
RS |
| 1967–1972 |
Chevrolet |
Camaro |
SS |
| 1973–1974 |
Chevrolet |
Caprice |
|
| 1967–1972 |
Chevrolet |
Caprice |
Base |
| 1973–1976 |
Chevrolet |
Caprice |
Classic |
| 1976 |
Chevrolet |
Caprice |
Classic Estate |
| 1976 |
Chevrolet |
Caprice |
Classic Landau |
| 1975–1976 |
Chevrolet |
Caprice |
Classic Sport |
| 1975 |
Chevrolet |
Caprice |
Estate Wagon |
| 1968 |
Chevrolet |
Chevelle |
300 |
| 1968–1969 |
Chevrolet |
Chevelle |
300 Deluxe |
| 1967, 1970–1972 |
Chevrolet |
Chevelle |
Base |
| 1968–1972 |
Chevrolet |
Chevelle |
Concours |
| 1969–1972 |
Chevrolet |
Chevelle |
Concours Estate |
| 1973 |
Chevrolet |
Chevelle |
Deluxe |
| 1969–1972 |
Chevrolet |
Chevelle |
Greenbrier |
| 1968–1972 |
Chevrolet |
Chevelle |
Malibu |
| 1968–1972 |
Chevrolet |
Chevelle |
Nomad |
| 1967–1972 |
Chevrolet |
Chevelle |
SS |
| 1968 |
Chevrolet |
Chevy II |
Nova |
| 1967–1974 |
Chevrolet |
Corvette |
Base |
| 1967–1975 |
Chevrolet |
EL Camino |
Base |
| 1968–1974 |
Chevrolet |
EL Camino |
Custom |
| 1968–1974 |
Chevrolet |
EL Camino |
SS |
| 1969–1970 |
Chevrolet |
Estate |
Base |
| 1973–1974 |
Chevrolet |
G10 VAN |
Base |
| 1976 |
Chevrolet |
G20 |
Beauville |
| 1976 |
Chevrolet |
G20 |
Chevy VAN |
| 1973–1974 |
Chevrolet |
G20 VAN |
Base |
| 1973–1974 |
Chevrolet |
G20 VAN |
Sportvan |
| 1975–1976 |
Chevrolet |
G30 |
Beauville |
| 1975–1976 |
Chevrolet |
G30 |
Chevy VAN |
| 1975–1976 |
Chevrolet |
G30 |
HI-Cube |
| 1973–1974 |
Chevrolet |
G30 VAN |
Base |
| 1967–1976 |
Chevrolet |
Impala |
Base |
| 1975–1976 |
Chevrolet |
Impala |
Custom |
| 1976 |
Chevrolet |
Impala |
Custom Landau |
| 1976 |
Chevrolet |
Impala |
S |
| 1975–1976 |
Chevrolet |
Impala |
Sport |
| 1976, 1979–1980 |
Chevrolet |
K10 |
Cheyenne |
| 1976, 1979–1980 |
Chevrolet |
K10 |
Custom Deluxe |
| 1976, 1979–1980 |
Chevrolet |
K10 |
Scottsdale |
| 1976, 1979–1980 |
Chevrolet |
K10 |
Silverado |
| 1968–1974 |
Chevrolet |
K10 Pickup |
Base |
| 1968–1974 |
Chevrolet |
K10 Suburban |
Base |
| 1976–1978, 1980 |
Chevrolet |
K20 |
Cheyenne |
| 1976–1978, 1980 |
Chevrolet |
K20 |
Custom Deluxe |
| 1976–1978, 1980 |
Chevrolet |
K20 |
Scottsdale |
| 1976–1978, 1980 |
Chevrolet |
K20 |
Silverado |
| 1968–1974 |
Chevrolet |
K20 Pickup |
Base |
| 1968–1974 |
Chevrolet |
K20 Suburban |
Base |
| 1985 |
Chevrolet |
K20 Suburban |
Custom |
| 1985 |
Chevrolet |
K20 Suburban |
Scottsdale |
| 1985 |
Chevrolet |
K20 Suburban |
Silverado |
| 1992–1993 |
Chevrolet |
K2500 Suburban |
Base |
| 1992–1993 |
Chevrolet |
K2500 Suburban |
Silverado |
| 1977, 1980–1981 |
Chevrolet |
K30 |
Cheyenne |
| 1981–1986 |
Chevrolet |
K30 |
Custom |
| 1977, 1980 |
Chevrolet |
K30 |
Custom Deluxe |
| 1981 |
Chevrolet |
K30 |
Deluxe |
| 1977, 1980–1986 |
Chevrolet |
K30 |
Scottsdale |
| 1977, 1980–1986 |
Chevrolet |
K30 |
Silverado |
| 1968–1974 |
Chevrolet |
K30 Pickup |
Base |
| 1976 |
Chevrolet |
K5 Blazer |
Base |
| 1976–1978 |
Chevrolet |
K5 Blazer |
Cheyenne |
| 1977–1978 |
Chevrolet |
K5 Blazer |
Custom Deluxe |
| 1978 |
Chevrolet |
K5 Blazer |
Silverado |
| 1969–1972 |
Chevrolet |
Kingswood |
|
| 1969–1972 |
Chevrolet |
Kingswood |
Base |
| 1973, 1975 |
Chevrolet |
Laguna |
|
| 1973–1975 |
Chevrolet |
Laguna |
Base |
| 1974 |
Chevrolet |
Laguna |
Type S-3 |
| 1973–1974 |
Chevrolet |
Malibu |
|
| 1967, 1973–1974 |
Chevrolet |
Malibu |
Base |
| 1974–1975 |
Chevrolet |
Malibu |
Classic |
| 1970–1974 |
Chevrolet |
Monte Carlo |
Base |
| 1973–1974 |
Chevrolet |
Monte Carlo |
Landau |
| 1973, 1975 |
Chevrolet |
Monte Carlo |
S |
| 1969–1972 |
Chevrolet |
Nova |
Base |
| 1973 |
Chevrolet |
P10 VAN |
Base |
| 1976, 1979 |
Chevrolet |
P20 |
Base |
| 1976, 1979 |
Chevrolet |
P20 |
Step-VAN |
| 1970–1971, 1973 |
Chevrolet |
P20 VAN |
Base |
| 1975–1989 |
Chevrolet |
P30 |
Base |
| 1975–1985, 1987–1989 |
Chevrolet |
P30 |
Step-VAN |
| 1970–1971, 1973–1974 |
Chevrolet |
P30 VAN |
Base |
| 1988 |
Chevrolet |
R30 |
Cheyenne |
| 1987–1988 |
Chevrolet |
R30 |
Custom Deluxe |
| 1987–1988 |
Chevrolet |
R30 |
Scottsdale |
| 1987–1988 |
Chevrolet |
R30 |
Silverado |
| 1989 |
Chevrolet |
R3500 |
Cheyenne |
| 1989 |
Chevrolet |
R3500 |
Scottsdale |
| 1989 |
Chevrolet |
R3500 |
Silverado |
| 1969–1972 |
Chevrolet |
Townsman |
Base |
| 1988 |
Chevrolet |
V30 |
Cheyenne |
| 1987–1988 |
Chevrolet |
V30 |
Custom Deluxe |
| 1987–1988 |
Chevrolet |
V30 |
Scottsdale |
| 1987–1988 |
Chevrolet |
V30 |
Silverado |
| 1989 |
Chevrolet |
V3500 |
Cheyenne |
| 1989 |
Chevrolet |
V3500 |
Scottsdale |
| 1989 |
Chevrolet |
V3500 |
Silverado |
| 1972–1979 |
Excalibur |
Phaeton |
Base |
| 1975–1978 |
GMC |
C15 |
Base |
| 1977–1978 |
GMC |
C15 |
Heavy Half |
| 1975–1978 |
GMC |
C15 |
High Sierra |
| 1977 |
GMC |
C15 |
Indy Hauler |
| 1975–1978 |
GMC |
C15 |
Sierra Classic |
| 1975–1978 |
GMC |
C15 |
Sierra Grande |
| 1978 |
GMC |
C15 |
Street Coupe |
| 1975–1978 |
GMC |
C15 Suburban |
Base |
| 1975–1978 |
GMC |
C15 Suburban |
High Sierra |
| 1975–1978 |
GMC |
C15 Suburban |
Sierra Classic |
| 1975–1978 |
GMC |
C15 Suburban |
Sierra Grande |
| 1968–1974 |
GMC |
C15/c1500 Pickup |
Base |
| 1968–1974 |
GMC |
C15/c1500 Suburban |
Base |
| 1979–1980 |
GMC |
C1500 |
Base |
| 1979–1980 |
GMC |
C1500 |
Heavy Half |
| 1979–1980 |
GMC |
C1500 |
High Sierra |
| 1979–1980 |
GMC |
C1500 |
Sierra Classic |
| 1979–1980 |
GMC |
C1500 |
Sierra Grande |
| 1979–1980 |
GMC |
C1500 |
Street Coupe |
| 1979–1980 |
GMC |
C1500 Suburban |
Base |
| 1979–1980 |
GMC |
C1500 Suburban |
High Sierra |
| 1979–1980 |
GMC |
C1500 Suburban |
Sierra Classic |
| 1979–1980 |
GMC |
C1500 Suburban |
Sierra Grande |
| 1975–1978 |
GMC |
C25 |
Base |
| 1975–1978 |
GMC |
C25 |
High Sierra |
| 1975–1978 |
GMC |
C25 |
Sierra Classic |
| 1975–1978 |
GMC |
C25 |
Sierra Grande |
| 1975–1978 |
GMC |
C25 Suburban |
Base |
| 1975–1978 |
GMC |
C25 Suburban |
High Sierra |
| 1975–1978 |
GMC |
C25 Suburban |
Sierra Classic |
| 1975–1978 |
GMC |
C25 Suburban |
Sierra Grande |
| 1968–1974 |
GMC |
C25/c2500 Pickup |
Base |
| 1968–1974 |
GMC |
C25/c2500 Suburban |
Base |
| 1979–1986 |
GMC |
C2500 |
Base |
| 1979–1986 |
GMC |
C2500 |
High Sierra |
| 1979–1986 |
GMC |
C2500 |
Sierra Classic |
| 1979–1982 |
GMC |
C2500 |
Sierra Grande |
| 1979–1986, 1992–1993 |
GMC |
C2500 Suburban |
Base |
| 1979–1986 |
GMC |
C2500 Suburban |
High Sierra |
| 1979–1986 |
GMC |
C2500 Suburban |
Sierra Classic |
| 1979–1982 |
GMC |
C2500 Suburban |
Sierra Grande |
| 1992–1993 |
GMC |
C2500 Suburban |
SLE |
| 1975–1978 |
GMC |
C35 |
Base |
| 1975–1978 |
GMC |
C35 |
High Sierra |
| 1975–1978 |
GMC |
C35 |
Sierra Classic |
| 1975–1978 |
GMC |
C35 |
Sierra Grande |
| 1968–1974 |
GMC |
C35/c3500 Pickup |
Base |
| 1979–1986 |
GMC |
C3500 |
Base |
| 1979–1986 |
GMC |
C3500 |
High Sierra |
| 1979–1986 |
GMC |
C3500 |
Sierra Classic |
| 1979–1982 |
GMC |
C3500 |
Sierra Grande |
| 1975–1976 |
GMC |
G25 |
Rally |
| 1975–1976 |
GMC |
G25 |
Rally STX |
| 1976 |
GMC |
G35 |
Magnavan |
| 1974 |
GMC |
G35/g3500 VAN |
Base |
| 1973–1974 |
GMC |
G35/g3500 VAN |
Rally |
| 1973–1974 |
GMC |
G35/g3500 VAN |
Vandura |
| 1973–1974, 1976 |
GMC |
Jimmy |
Base |
| 1976 |
GMC |
Jimmy |
High Sierra |
| 1976 |
GMC |
Jimmy |
Sierra Classic |
| 1976 |
GMC |
Jimmy |
Sierra Grande |
| 1976 |
GMC |
K15 |
Base |
| 1976 |
GMC |
K15 |
High Sierra |
| 1976 |
GMC |
K15 |
Sierra Classic |
| 1976 |
GMC |
K15 |
Sierra Grande |
| 1968–1974 |
GMC |
K15/k1500 Pickup |
Base |
| 1968–1974 |
GMC |
K15/k1500 Suburban |
Base |
| 1979–1980 |
GMC |
K1500 |
Base |
| 1979–1980 |
GMC |
K1500 |
High Sierra |
| 1979–1980 |
GMC |
K1500 |
Sierra Classic |
| 1979–1980 |
GMC |
K1500 |
Sierra Grande |
| 1976–1978 |
GMC |
K25 |
Base |
| 1976–1978 |
GMC |
K25 |
High Sierra |
| 1976–1978 |
GMC |
K25 |
Sierra Classic |
| 1976–1978 |
GMC |
K25 |
Sierra Grande |
| 1976–1977 |
GMC |
K25 Suburban |
Base |
| 1976–1977 |
GMC |
K25 Suburban |
High Sierra |
| 1976–1977 |
GMC |
K25 Suburban |
Sierra Classic |
| 1976–1977 |
GMC |
K25 Suburban |
Sierra Grande |
| 1968–1974 |
GMC |
K25/k2500 Pickup |
Base |
| 1968–1974 |
GMC |
K25/k2500 Suburban |
Base |
| 1992–1993 |
GMC |
K2500 Suburban |
Base |
| 1992–1993 |
GMC |
K2500 Suburban |
SLE |
| 1968–1974 |
GMC |
K35/k3500 Pickup |
Base |
| 1979–1986 |
GMC |
K3500 |
Base |
| 1979–1986 |
GMC |
K3500 |
High Sierra |
| 1979–1986 |
GMC |
K3500 |
Sierra Classic |
| 1979–1982 |
GMC |
K3500 |
Sierra Grande |
| 1979 |
GMC |
P1500 |
Base |
| 1979 |
GMC |
P1500 |
Value VAN |
| 1970–1971 |
GMC |
P25/p2500 VAN |
Base |
| 1975–1978 |
GMC |
P35 |
Base |
| 1975–1978 |
GMC |
P35 |
Value VAN |
| 1970–1971, 1973–1974 |
GMC |
P35/p3500 VAN |
Base |
| 1974 |
GMC |
P35/p3500 VAN |
Motorhome |
| 1979–1989, 1996–1997 |
GMC |
P3500 |
Base |
| 1979–1989 |
GMC |
P3500 |
Value VAN |
| 1987–1989 |
GMC |
R3500 |
Base |
| 1987–1989 |
GMC |
R3500 |
High Sierra |
| 1987–1989 |
GMC |
R3500 |
Sierra Classic |
| 1971–1975 |
GMC |
Sprint |
Base |
| 1975 |
GMC |
Sprint |
Classic |
| 1972–1974 |
GMC |
Sprint |
Custom |
| 1975 |
GMC |
Sprint |
High Sierra |
| 1975 |
GMC |
Sprint |
SP |
| 1987–1989 |
GMC |
V3500 |
Base |
| 1987–1989 |
GMC |
V3500 |
High Sierra |
| 1987–1989 |
GMC |
V3500 |
Sierra Classic |
| 1969–1974 |
ISO |
Grifo |
Base |
| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Regular Stock: false |