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COMP Cams 11-410-8

Magnum Hydraulic Roller Camshaft Chevy Big Block 396-454 Retro Fit Lift: .510"/.510"

COMP Cams 11-410-8

249-11-410-8

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COMP Cams 11-410-8 Magnum Hydraulic Roller Camshaft Chevy Big Block 396-454 Retro Fit Lift: .510"/.510" $327.99
Magnum Hydraulic Roller Camshaft
Chevy Big Block 396-454 Retro Fit
  • Lift: .510"/.510"
  • Duration: 260°/260°
  • Lobe Separation Angle: 110°
  • RPM Range: 1200-4500

  • COMP Cams 11-410-8 Details

    Chevy 396-454ci Big Block 1965-96

  • Retro-Fit for Non Factory Roller

  • Cams Are Very Aggressive
  • Designed For Performance Oriented Vehicles
  • Deliver More Power Than Standard Camshafts
  • 1 Year Limited Warranty

  • Specifications:

    Exhaust Valve Lift (in.)
    0.51
    Intake Valve Lift (in.)
    0.510
    RPM Range
    1200-4500
    Exh. Duration @ .050 in. (Deg)
    206
    Int. Duration @ .050 in. (Deg)
    206
    Exh. Duration Advertised (Deg)
    260
    Int. Duration Advertised (Deg)
    260
    Engine Make/Size
    Chevy Big Block (396-454)
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Strip
    Advertised Duration
    260 int./260 exh.
    Advertised Exhaust Duration
    260
    Advertised Intake Duration
    260
    Basic Operating RPM Range
    1,200-4,500
    Cam Style
    Hydraulic roller tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    206 int./206 exh.
    Exhaust Duration at 050 inch Lift
    206
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.51
    Grind Number
    CB 260H-R10
    Intake Duration at 050 inch Lift
    206
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.51
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.510 int./0.510 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    110
    Manufacturer's Part Number:
    11-410-8

    Magnum camshafts are very aggressive and specifically designed for the street enthusiast looking for more power with that Pro Street sound. Intended for performance oriented vehicles that will see little street use. The idle characteristics of your engine will change due to the increased duration and overlap of the Comp Cams Magnum Cam Series. The hydraulic roller cams do dramatically decrease friction, as well as lifter wear. As far as power, the roller profile allows the design of more lift, and a greater area under the curve giving much better top end power without sacrificing bottom end. You will notice a racey idle with the 280-grind while the 292 and 305-grinds will produce a rough or ''rumbly'' idle. Stock components are incompatible. Changes are needed in rear end gear ratios, headers and the torque converter. Magnum Cams will affect your power accessories to a certain extent. The 280 and 292-grinds are the biggest cams that should be used with power assisted brakes, air conditioning, etc. You should remember that the bigger the engine is, the less the cam will affect the vacuum which affects your power accessories. The smaller your engine is, the more the Magnum Camshaft will affect your power accessories. Most late model vehicles have a vacuum canister. If your vehicle does not have a vacuum canister, it may be necessary to add one.

    Features:
  • Great high RPM power
  • Easy on valve train parts
  • Can be used with mild ratio rocker arms and traditional performance valve springs
  • Best with aftermarket converter and 9.5:1+ compression

    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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