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Crane Cams 113821

PowerMax Hydraulic Flat Tappet Camshaft Lift: 458/473 Duration: 288/296 RPM Range: 2600-6400

Crane Cams 113821

271-113821

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Crane Cams 113821 PowerMax Hydraulic Flat Tappet Camshaft Lift: 458/473 Duration: 288/296 RPM Range: 2600-6400 $136.78
PowerMax Hydraulic Flat Tappet Camshaft
Lift: 458/473
Duration: 288/296
RPM Range: 2600-6400
  • Click More Info for specifications

  • Crane Cams 113821 Details

    Small Block Chevy 262-400ci 1957-87

    Crane PowerMax emissions-legal cams produce amazing increases in torque, horsepower, and throttle response while extending the RPM powerband of computer-controlled performance passenger cars and light trucks. They permit full function of stock engine computers or aftermarket performance chips.

    Characteristics
  • Good idle
  • 3000-3400 cruise RPM
  • Daily performance usage
  • Mild bracket racing
  • 9.5 to 10.75 compression ratio advised

    CARB-Approved This camshaft is 50-state legal per the manufacturer's application guide. It has been granted a California Air Resources Board exemption (a "CARB EO" number) or is a direct or consolidated replacement part.

    Good mid range HP, fair idle, moderate performance usage, w/plate or manifold nitrous system, mild bracket racing, auto trans w/2500+ converter, 3400- 3800 cruise RPM, 9.5 to 11.0 compression ratio advised. Good w/centrifugal or Roots supercharger, 10 lbs

    Grind Number H-288-2 (Replaces CCH-288-2)
    Operating Range2600-6400 RPM
    Duration Advertised288° Intake/296° Exhaust
    Duration @ .050" Lift226° Intake/234° Exhaust
    Valve Lift with 1.5 Rockers.458" Intake/.473" Exhaust
    Lobe Separation Angle114°
    Max Lift AngleIntake: 109° BTDC
    Exhaust: 119° BTDC
    Open/Close @ .050" Cam LiftIntake: 4° ATDC (opens)
    42° ABDC (closes)
    Exhaust: 56° BBDC (opens)
    2° BTDC (closes)

  • The most popular OE camshaft type through the late 1980s, hydraulic lifter profiles can provide a power curve that tops out just over 7000 RPM when used with high-performance hydraulic lifters. Also easy to maintain, hydraulic cams range from aggressive (rough idle) to towing (improved bottom-end torque).

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