Name: Xtreme Energy 248/254 Hydraulic Roller Cam for Chevrolet Big Block 396-454
SKU: COMP-11-444-8
Price: 403.30 USD
Availability: InStock

Description

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.

Additional Attributes:

GTIN: 00036584024897
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
Camshaft Series: Xtreme Energy
Usage: Street/Performance
Cam Type: Hydraulic Roller
Grind Number: XR300HR
Basic Operating RPM Range: 3200-6,200
Intake Duration at .050 Inch Lift: 248
Exhaust Duration at .050 inch Lift: 254
Advertised Intake Duration: 300
Advertised Exhaust Duration: 306
Lobe Separation: 110
Intake Valve Lift: 0.56
Exhaust Valve Lift: 0.58
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Cam and Lifter Kit Upgrade: CL11-444-8
K-Kit Upgrade: K11-444-8
Lifter Type: Hydraulic Roller
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
SK-Kit Upgrade: SK11-444-8
Amazon ASIN: B000P5B64O
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.

Packaging:

Quantity of Each: 1
Package UOM: EA

PDF:

dddbebdc29809

Fitment

Make	Model	Sub-model	Years
Chevrolet	Bel Air	Base	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975
	Biscayne	Base	1967, 1968, 1969, 1970, 1971, 1972
	Blazer	Base	1973, 1974
	Brookwood	Base	1969, 1970, 1971, 1972
	C10	BASE	1975, 1976, 1977, 1978, 1979, 1980
	C10 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C10 Suburban	BASE	1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980
	C20	BASE	1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	C20 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C20 Suburban	BASE	1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	C30	BASE	1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	C30 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	Camaro	BASE	1967, 1968, 1969, 1970, 1971, 1972
	Caprice	Base	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976
	Chevelle	BASE	1967, 1968, 1969, 1970, 1971, 1972
		Deluxe	1973
	Chevy II	Nova	1968
	Corvette	Base	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
	El Camino	BASE	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975
	Estate	Base	1969, 1970
	G10 Van	BASE	1973, 1974
	G20	BASE	1976
	G20 Van	BASE	1973, 1974
	G30	BASE	1975, 1976
	G30 Van	BASE	1973, 1974
	Impala	Base	1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976
	K10	BASE	1976, 1980
	K10 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K10 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K20	BASE	1976, 1977, 1978
	K20 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K20 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974, 1985
	K30	BASE	1977, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	K30 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K5 Blazer	BASE	1976, 1977, 1978
	Kingswood	BASE	1969, 1970, 1971, 1972
	Laguna	BASE	1973, 1974, 1975
	Malibu	BASE	1967, 1973, 1974, 1975
	Monte Carlo	Base	1970, 1971, 1972, 1973, 1974
		S	1975
	Nova	Base	1969, 1970, 1971, 1972
	P10 Van	Base	1973
	P20	BASE	1976, 1979
	P20 Van	Base	1970, 1971, 1973
	P30	BASE	1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989
	P30 Van	Base	1970, 1971, 1973, 1974
	R30	BASE	1987, 1988
	R3500	BASE	1989
	Townsman	Base	1969, 1970, 1971, 1972
	V30	BASE	1987, 1988
	V3500	BASE	1989
Excalibur	Phaeton	Base	1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979
GMC	C15	BASE	1975, 1976, 1977, 1978
	C15 Suburban	BASE	1975, 1976, 1977, 1978
	C15/C1500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C15/C1500 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C1500	BASE	1979, 1980
	C1500 Suburban	BASE	1979, 1980
	C25	BASE	1975, 1976, 1977, 1978
	C25 Suburban	BASE	1975, 1976, 1977, 1978
	C25/C2500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C25/C2500 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C2500	BASE	1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	C2500 Suburban	BASE	1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	C35	BASE	1975, 1976, 1977, 1978
	C35/C3500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	C3500	BASE	1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	G25	BASE	1975, 1976
	G35	BASE	1976
	G35/G3500 Van	BASE	1973, 1974
	Jimmy	BASE	1973, 1974, 1976
	K15	BASE	1976
	K15/K1500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K15/K1500 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K1500	BASE	1980
	K25	BASE	1976, 1977, 1978
	K25 Suburban	BASE	1976, 1977
	K25/K2500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K25/K2500 Suburban	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K35/K3500 Pickup	Base	1968, 1969, 1970, 1971, 1972, 1973, 1974
	K3500	BASE	1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986
	P1500	BASE	1979
	P25/P2500 Van	Base	1970, 1971
	P35	BASE	1975, 1976, 1977, 1978
	P35/P3500 Van	Base	1970, 1971, 1973, 1974
	P3500	BASE	1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1996
	R3500	BASE	1987, 1988, 1989
	Sprint	BASE	1971, 1972, 1973, 1974, 1975
	V3500	BASE	1987, 1988, 1989
Iso	Grifo	Base	1969, 1970, 1971, 1972, 1973, 1974
Pontiac	Acadian	Base	1968, 1969, 1970, 1971
	Beaumont	Base	1967, 1968, 1969
	Laurentian	Base	1967, 1968, 1969, 1970
	Parisienne	Base	1967, 1968, 1969, 1970
	Strato-Chief	Base	1967, 1968, 1969, 1970

Additional information

Weight	10.86 lbs
Dimensions	24.5 × 3 × 2.75 in

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