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COMP Cams 11-616-44

Comp Cams 4-Pattern Camshafts

COMP Cams 11-616-44

249-11-616-44

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COMP Cams 11-616-44 Comp Cams 4-Pattern Camshafts $733.99
4-Pattern Retro-Fit Hydraulic Roller Camshaft
Big Block Chevy 396-454ci 1965-96
Intake Lift: .678"/.677"
Exhaust Lift: .661"/.661"
Lobe Separation Angle: 110.5°/109.5°
RPM Range: 2900-7200

COMP Cams 11-616-44 Details

Big Block Chevy 396-454ci 1965-96

  • Retro-Fit

    Intake Duration: 295°/293°
    Exhaust Duration: 307°/305°

    Great in street/strip 454-502c.i. engines with good heads and 9.5:1+ compression; 3000+ stall or manual transmissions.

  • Specifications:

    Intake Valve Lift (in.)
    0.678
    Int. Duration @ .050 in. (Deg)
    243
    Exh. Duration @ .050 in. (Deg)
    253
    Int. Duration Advertised (Deg)
    295
    Exh. Duration Advertised (Deg)
    307
    Engine Make/Size
    Chevy Big Block (396-454)
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Performance
    Exhaust Valve Lift (in.)
    0.661
    RPM Range
    2900-7200
    Advertised Duration
    295 int./307 exh., 293 int./305 exh.
    Advertised Exhaust Duration
    307/305
    Advertised Intake Duration
    295/293
    Basic Operating RPM Range
    2,900-7,200
    Cam Style
    Hydraulic roller tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    243 int./253 exh., 241 int./251 exh.
    Exhaust Duration at 050 inch Lift
    253/251
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.661/0.661
    Grind Number
    293QIO10
    Intake Duration at 050 inch Lift
    243/241
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.678/0.677
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.678 int./0.661 exh., 0.677 int./0.661 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    110.5/109.5
    Manufacturer's Part Number:
    11-616-44

    Comp Cams 4-Pattern Camshafts are hydraulic rollers designed to optimize valve events based on runner length and feature a large increase in both area under the curve and stability at high RPM

    To make the most power from your engine, you need to optimize the air ingested and captured by avoiding valves closing too soon or too late. Any conventional center layout single throttle body or carbureted V8 intake manifold features longer outboard runners and shorter inboard runners, meaning that each valve event should occur at a different moment.

    COMP Cams 4-Pattern Camshafts are the very first series of cams designed to accommodate this difference in length and avoid valves closing at the wrong times. NASCAR teams have been using camshafts designed this way for years, and using lessons learned along with them, COMP Cams has designed a series of cams that optimizes valve events and features a large increase in both area under the curve and stability at high RPM.

    The camshafts feature four different lobe patterns with one intake and exhaust design for outboard runners, and another intake and exhaust design for the inboard runners. While the four inboard cylinders are all the same grinds, the outboard exhaust openings are two degrees earlier, with outboard intake closings coming two degrees later. This is the first ever use of technology in street vehicles to balance air/fuel ratio per cylinder and can net you a possible 1000+ RPM over other hydraulic rollers and anywhere from 5-20+ horsepower peak to peak, depending on cylinder head flow.

    The 4-Pattern hydraulic roller cams are CNC-Machined from steel billet cores with cast iron distributor drive gears. The cams also feature a tight lobe separation for both excellent performance and a throaty sound.

    Note: Upgraded valve train components and aftermarket cylinder heads required.

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