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COMP Cams 12-423-8 - Camshaft CS XR276HR-10

COMP Cams 12-423-8 - Camshaft CS XR276HR-10

COMP Cams | 12-423-8
SKU: COMP-12-423-8
$586.99 USD
$645.69 USD $586.99 USD
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COMP Cams 12-423-8 - Camshaft CS XR276HR-10

Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.502 / 0.510 in - Duration 276 / 282 - 110 LSA - 1900 / 5600 RPM - Small Block Chevy - Each

High performance street machines, 2000+ stall, gears, choppy idle.

Xtreme Energy 224/230 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles. Xtreme Energy Benefits:Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve. More vacuum allows a step up in duration for greater performance. Best seller. excellent all around performance in street carbureted applications. Important Considerations: Works best with COMP Cams roller rockers and matched valve springs. Requires other performance parts (intake manifold, headers, etc.) for best performance. Camshaft Part #12-423-8 Grind #XR276HR-10. Duration @ 0.006": 276/ 282deg. Duration @ 0.050": 224/ 230deg. Max Lift w/ 1.5RR: .502" / .510". Lobe Separation: 110deg Lobe ID#'s: 3314 / 3315. Intake Centerline:106deg. Engine Type: Chevrolet 350 Small Block. Bore: 4.040". Stroke: 3.480". Displacement: 356ci. Compression: 9.25:1. Heads: Dart S/R. Intake: Edelbrock performer. Carburetor: Holley #3310 Vac. Sec. Exhaust: 1 5/8" Headers. Max Torque: 427 ft/lbs @ 3700 RPM. Max Power: 373 HP @ 5200 RPM. Manifold Vacuum: 12" Hg @ 800 RPM & 14" Hg @ 1000 RPM w/ no load.

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: XR276HR
Camshaft Series: Xtreme Energy
Usage: Street/Performance
Cam Type: Hydraulic Roller
Grind Number: XR276HR
Basic Operating RPM Range: 1,900-5,600
Intake Duration at .050 Inch Lift: 224
Exhaust Duration at .050 inch Lift: 230
Advertised Intake Duration: 276
Advertised Exhaust Duration: 282
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: 3-Bolt
Camshaft Material: Austempered Ductile Iron
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Cam and Lifter Kit Upgrade: CL12-423-8
K-Kit Upgrade: K12-423-8
Lifter Type: Hydraulic Roller
SK-Kit Upgrade: SK12-423-8
Amazon ASIN: B000CIUABO
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