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COMP Cams Comp Cams Xtreme Energy Hydraulic Roller Camshafts

249-12-444-8


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Comp Cams  Xtreme Energy  Hydraulic Roller Camshafts
$522.95
1 left in stock
Xtreme Energy XR300HR Retro-Fit Hydraulic Roller Camshaft
Lift: .562"/.580"
Duration: 300/306
Lobe Separation Angle: 110°
RPM Range: 3200-6200
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12-444-8 is rated 4.5 out of 5 by 2.
Rated 5 out of 5 by from Max street grind Good cam. Replaced 12-443-8 with this. Nasty idle. Power brakes affected. Ran 10.93@120 1.49 60' still tuning. Imo max street hydraulic roller grind.
Date published: 2022-11-11
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Intake CL?

Asked by: Wiley79
The intake centerline is 106 degrees.
Answered by: Rusty B
Date published: 2018-03-09
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Strong torque, good mileage, stock to mildly modified combinations.Operating Range:1000-5000 RPMDuration Advertised:258° Intake / 264° ExhaustDuration @ .050'' Lift:206° Intake / 212° ExhaustValve Lift w/1.5 Rockers:.480'' Intake / .487'' ExhaustLobe Separation Angle:110°265, 283, 307, 302, 305, 327, 350, 383, ...
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Mild performance applications, very good mid-range, 3.23-3.73 gears.Operating Range:1200-5200 RPMDuration Advertised:264° Intake / 270° ExhaustDuration @ .050'' Lift:212° Intake / 218° ExhaustValve Lift w/1.5 Rockers:.487'' Intake / .495'' ExhaustLobe Separation Angle:110°265, 283, 307, 302, 305, 327, 350, 383, ...
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