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COMP Cams K11-252-4

Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts

COMP Cams K11-252-4

249-K11-252-4

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Ships 12/15/16 if Ordered Today
COMP Cams K11-252-4 Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts $455.99
Xtreme Marine Hyd. Flat Tappet Cam Complete Kit
Chevy Big Block 396-454ci 1965-96
Lift: .575"/.578"
Duration: 298°/316°
Lobe Separation Angle: 112°
RPM Range: 3200-6800

COMP Cams K11-252-4 Details

Chevy Big Block 396-454ci 1965-96

  • Xtreme Marine Camshaft
  • 1 Year Limited Warranty

  • Specifications:

    Intake Valve Lift (in.)
    0.575
    Exhaust Valve Lift (in.)
    0.578
    Int. Duration @ .050 in. (Deg)
    254
    Exh. Duration @ .050 in. (Deg)
    264
    Int. Duration Advertised (Deg)
    298
    Exh. Duration Advertised (Deg)
    316
    RPM Range
    3200-6800
    Engine Make/Size
    Chevy Big Block (396-454)
    Lifter Type
    Hydraulic Flat Tappet
    Usage
    Marine
    Lobe Separation (Deg)
    112
    Gaskets Included
    No
    Advertised Duration
    298 int./316 exh.
    Advertised Exhaust Duration
    316
    Advertised Intake Duration
    298
    Assembly Lubricant Included
    Yes
    Basic Operating RPM Range
    3,200-6,800
    Cam Style
    Hydraulic flat tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    254 int./264 exh.
    Exhaust Duration at 050 inch Lift
    264
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.578
    Grind Number
    XM298H
    Intake Duration at 050 inch Lift
    254
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.575
    Lifter Style
    Hydraulic flat tappet
    Lifters Included
    Yes
    Locks Included
    Yes
    Outside Diameter of Outer Spring (in.)
    1.509
    Pushrods Included
    No
    Quantity
    Sold as a kit
    Retainers Included
    Yes
    Rocker Arms Included
    No
    Timing Chain and Gears Included
    Yes
    Timing Chain Style
    Double roller
    Valve Lift with Factory Rocker Arm Ratio
    0.575 int./0.578 exh.
    Valve Springs Included
    Yes
    Valve Springs Required
    Yes
    Valve Stem Seals Included
    Yes
    Manufacturer's Part Number:
    K11-252-4

    A Unique Cam for Marine Applications

    If you're heading to the great outdoors, Comp Cams offers camshafts designed specifically for marine applications where low idle speeds are necessary and where restrictive exhausts require special cams that work well against wet exhaust system back pressure. These unique camshafts generate an extremely wide powerband, offering the low-end torque needed to jerk skiers up quickly and the high-end power needed for maximum performance. Also, Comp's larger camshafts are engineered for engines with less restrictive exhausts and drives that will tolerate higher idle speeds. An excellent choice for jet boats or power boats.

    Features:
  • Extremely wide powerband helps get boat on plane while making maximum horsepower
  • Work against exhaust systems with restrictive back pressure
  • Power enhancement helps maintain top end speed for long distances
  • Intended for applications where low idle speeds are required

    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.

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