Comp Cams Marine Mechanical Roller Camshafts
Product Discontinued
COMP CAMSPART NUMBER: 249-11-746-9

Comp Cams Marine Mechanical Roller Camshafts

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Big Block Chevrolet 396-454ci 1965-96
    Mechanical Roller Marine Camshaft
    Big Block Chevy 396-454ci
    Lift: .782"/.714"
    Duration: 319°/326°
    Lobe Separation Angle: 110°
    RPM Range: 5500-7500

    454 c.i. & larger engines. River racer - blown gasoline, flat or hydro.

    Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


    454c.i. and larger engines. River racer - blown gasoline, flat or hydro.

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
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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.

Part TypeCamshaft
Product LineComp Cams Marine Mechanical Roller Camshafts
BrandCOMP CAMS
Package Height2.75
Package Width3.0
Package Length24.5
Weight10.56 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)290
Cam StyleMechanical roller tappet
Grind Number319CR-10
Exh. Duration Advertised (Deg)326
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.782
Int. Duration @ .050 In. (Deg)287
Basic Operating Rpm Range5,500-7,500
Intake Valve Lash0.028 in (0.711 mm)
Intake Valve Lift0.782 in (19.863 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)319
Lobe Separation (Deg)110
Rpm Range5500-7500
Advertised Duration319 int./326 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.714
UsageMarine
Valve Lift With Factory Rocker Arm Ratio0.782 int./0.714 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.03 in (0.762 mm)
Exhaust Valve Lift0.714 in (18.136 mm)
Advertised Intake Duration319
Intake Duration At 050 Inch Lift287
Exhaust Duration At 050 Inch Lift290
Advertised Exhaust Duration326
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift287 int./290 exh.
Valve Springs RequiredYes
Vendor Part Number11-746-9
Package Qty1
Package TypeEA
No Questions
No Reviews

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