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COMP Cams 11-444-8 - Camshaft CB XR300HR-10

COMP Cams  |  SKU: COMP-11-444-8
$54995 $60494
PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

COMP Cams 11-444-8 - Camshaft CB XR300HR-10

Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.560 / 0.580 in - Duration 300 / 306 - 110 LSA - 3200 / 6200 RPM - Big Block Chevy - Each

Pro Street/bracket racing, 10:1+ compression, 3500+ stall, good intake, headers.

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.

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
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.
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
Grind Number: XR300HR

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