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COMP Cams Comp Cams Marine Mechanical Roller Camshafts

COMP Cams 11-745-9

249-11-745-9

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Estimated to ship directly from the manufacturer on 10/23/18
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COMP Cams Comp Cams Marine Mechanical Roller Camshafts $329.99
Mechanical Roller Marine Camshaft
Big Block Chevy 396-454ci
Lift: .772"/.772"
Duration: 306°/319°
Lobe Separation Angle: 110°
RPM Range: 5000-7500

COMP Cams 11-745-9 Details

Big Block Chevrolet 396-454ci 1965-96

Comp jet. Blown gas flat or hydro.

Specifications:

Exhaust Valve Lift (in.)
0.772
Intake Valve Lift (in.)
0.772
Exh. Duration @ .050 in. (Deg)
280
Int. Duration @ .050 in. (Deg)
280
Exh. Duration Advertised (Deg)
310
Int. Duration Advertised (Deg)
310
RPM Range
5000-7500
Engine Make/Size
Chevy Big Block (396-454)
Lifter Type
Mechanical Roller
Usage
Marine
Advertised Duration
310 int./310 exh.
Advertised Exhaust Duration
310
Advertised Intake Duration
310
Basic Operating RPM Range
5,000-7,500
Cam Style
Mechanical roller tappet
Camshaft Gear Attachment
3-bolt
Computer-Controlled Compatible
No
Duration at 050 inch Lift
280 int./280 exh.
Exhaust Duration at 050 inch Lift
280
Exhaust Valve Lash (in.)
0.03
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.772
Grind Number
310AR-8
Intake Duration at 050 inch Lift
280
Intake Valve Lash (in.)
0.028
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.772
Quantity
Sold individually
Valve Lift with Factory Rocker Arm Ratio
0.772 int./0.772 exh.
Valve Springs Required
Yes
Lobe Separation (Deg)
108
Manufacturer's Part Number:
11-745-9

Comp Cams Marine Mechanical Roller Camshafts provide great power for your marine engines. Available for a variety of applications, these cams will keep you going on the water.



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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