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Comp Cams Xtreme Energy XR288HR Hydraulic Roller Cam CCA-51-433-11

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  • CCA-51-433-11
  • CCA-51-433-11
    Lift with 1.5 ratio rockers: .520/.540
    Lift with 1.65 ratio rockers: .571/.594
    Duration: 288°/294°
    Lobe Separation Angle: 110°
    RPM Range: 2200-6000

    Description

    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:
    Work best with COMP Cams® roller rockers and matched valve springs
    Require other performance parts (intake manifold, headers, etc.) for best performance

    Details

    • CCA-51-433-11
    • CCA-51-433-11
    • Comp Cams
    • New

    Shipping Information

    • Item Requires Shipping
    • 10.0 lbs.
    • Free Shipping!

    Customer Reviews

    Comment Total Reviews (1)

    XR288HR Roller Cam is awesome for high perf street
    • Currently 5/5 Stars

    Reviewed by:

    Product ownership: A year or longer

    Purchased from: Butler Performance Inc.

    Comments:
    I have this cam in my 1974 T/A 455 Super Duty engine. I am running stock intake, 9.7:1 compression, stock #16 SD heads, re-jetted Rochester carb, stock round port exhaust manifolds, low restriction 2.5 in exhaust and spintech 16 inch long mufflers, 3.42 limited slip, Tremec TKO-600 manual 5 speed and twin disc McLeod clutch. Incredible torque starting at 2200 rpm up to 5500 where I shift. This is the best cam I have ever run in a 455, and I've run 3 others but in flat tappet. It has plenty of vacuum, idles at 750+ rpm, and runs air conditioning on the street. Might be a little hot for a 400 cu in motor, but just right for this 455. Nice sounding lope at idle. Gets loose in first and second gear on throttle tip-in, barks the tires (255/60-R15 BFG T/A) on 3rd and 4th gear shift. Purrs in 5th overdrive on the highway with 14-16 mpg. Highly recommend this or the similar Butler custom grind in a hi-po street 455. Butler has competitive pricing and the best advice. Go roller.

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