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COMP Cams K11-236-4

Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts

COMP Cams K11-236-4

249-K11-236-4

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COMP Cams K11-236-4 Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts $405.99
Xtreme Marine Hyd. Flat Tappet Cam Complete Kit
Chevy Big Block 396-454ci 1965-96
Lift: .544"/.547"
Duration: 270°/286°
Lobe Separation Angle: 112°
RPM Range: 1600-5800

COMP Cams K11-236-4 Details

Chevy Big Block 396-454ci 1965-96

*Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16'' wide x 7/64'' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Jet with ''A'' impeller, strong mid-range good throttle response, noticeable idle.

Specifications:

Intake Valve Lift (in.)
0.544
Exhaust Valve Lift (in.)
0.547
RPM Range
1600-5800
Int. Duration @ .050 in. (Deg)
226
Exh. Duration @ .050 in. (Deg)
236
Int. Duration Advertised (Deg)
270
Exh. Duration Advertised (Deg)
286
Engine Make/Size
Chevy Big Block (396-454)
Lifter Type
Hydraulic Flat Tappet
Usage
Marine
Lobe Separation (Deg)
112
Gaskets Included
No
Advertised Duration
270 int./286 exh.
Advertised Exhaust Duration
286
Advertised Intake Duration
270
Assembly Lubricant Included
Yes
Basic Operating RPM Range
1,600-5,800
Cam Style
Hydraulic flat tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
226 int./236 exh.
Exhaust Duration at 050 inch Lift
236
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.547
Grind Number
CB XM 270H-12
Intake Duration at 050 inch Lift
226
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.544
Lifter Style
Hydraulic flat tappet
Lifters Included
Yes
Locks Included
Yes
Outside Diameter of Outer Spring (in.)
1.525
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 non-roller
Valve Lift with Factory Rocker Arm Ratio
0.544 int./0.547 exh.
Valve Springs Included
Yes
Valve Springs Required
No
Valve Stem Seals Included
Yes
Manufacturer's Part Number:
K11-236-4

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.

  • Items You Need
    Operating Range:1600-5800 RPM
    Duration Advertised:270° Intake / 286° Exhaust
    Duration @ .050'' Lift:226° Intake / 236° Exhaust
    Valve Lift w/1.7 Rockers:.544'' Intake / .547'' Exhaust
    Lobe Separation Angle:112°