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COMP Cams 12-660-47 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts



COMP Cams 12-660-47 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts

JEGS Part Number: 249-12-660-47

Xtreme Energy 274H Hydraulic Flat Tappet Camshaft Only
Lift .490"/.490"
Duration 274°/286°
RPM Range 2300-6500
$243.38
Ships 07/05/16
if Ordered Today
FREE Shipping

COMP Cams 12-660-47 - Comp Cams 'Xtreme Energy' Hydraulic Flat Tappet Camshafts Details

Chevy 262-400ci Small Block 1958-98

  • 4 & 7 Swap Firing Order

    COMP Cams Xtreme Energy camshafts are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.

  • Specifications:

    Exhaust Valve Lift (in.)
    0.49
    Intake Valve Lift (in.)
    0.490
    RPM Range
    1800-6000
    Int. Duration @ .050 in. (Deg)
    230
    Exh. Duration @ .050 in. (Deg)
    236
    Int. Duration Advertised (Deg)
    274
    Exh. Duration Advertised (Deg)
    286
    Engine Make/Size
    Chevy Small Block (262-400)
    Lifter Type
    Mechanical Flat Tappet
    Usage
    Street/Performance
    Manufacturer's Part Number:
    12-660-47

    The Leading Edge of Valve Train Technology

    Comp Cams Xtreme Energy series are perfect for any street or street/strip application where both throttle response and top-end horsepower is desired. These camshafts are designed to take advantage of the latest and greatest in valvetrain technology . Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration @ .050'' lift, while delivering increased engine vacuum. We do not recommend the use of stock valve springs with these camshafts due to the aggressive lobe designs.

    Features:
  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows an increase in duration for improved performance and assists power brakes
  • Excellent performance in street carbureted applications
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios

    Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

    Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.