Xtreme Energy 248/254 Solid Roller Cam for Chevrolet Big Block 396-454

Good in weekend warrior with 3000+ stall. Needs good intake and exhaust with low gears.

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: 00036584058939
Advertised Exhaust Duration: 292
Advertised Intake Duration: 286
Amazon ASIN: B000V9GBW6
Assembly Lubricant Included: No
Basic Operating RPM Range: 3,000-7000
C.A.R.B. E.O. Number: N/A
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 Federally Certified Vehicles Manufactured Before 1967?: 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. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason: N/A
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit Upgrade: CL11-772-8
Cam Type: Solid Roller
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Camshaft Series: Xtreme Energy
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration at .050 inch Lift: 254
Exhaust Valve Lift: 0.66
Grind Number: XR286R
Intake Duration at .050 Inch Lift: 248
Intake Valve Lift: 0.653
K-Kit Upgrade: K11-772-8
Lifter Type: Solid Roller
Lifters Included: No
Lobe Separation: 110
SK-Kit Upgrade: SK11-772-8
Usage: Street/Performance
Valve Springs Required: Yes

Extended Information:

Emissions : EPA Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 23.93 x 2.91 x 2.67 inches
Weight: 10.3 PG

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