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Crane Cams 119531

HIR-278-2S-12 SBC

Crane Cams 119531
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Estimated ship date 02/22/18 if Ordered Today
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Crane Cams 119531 HIR-278-2S-12 SBC $507.99
Hydraulic Roller Tappet Camshaft
With Cast Iron Distributor Drive Gear
Lift: .510''/.530''
Advertised Duration: .278°/.286°
RPM Range: 2500-6000
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  • Crane Cams 119531 Details

    1957-87 Small Block Chevy V8 262-400 / 1987-95 Chevy Truck

    Grind Number HIR-278-2S-12
    Operating Range2500-6000 RPM
    Duration Advertised .278°/.286°
    Duration @ .050" Lift222° Intake/230° Exhaust
    Valve Lift with 1.5 Rockers.510" Intake/.530" Exhaust
    Lobe Separation AngleN/A
    Max Lift AngleIntake: 107° BTDC
    Exhaust: 117° BBDC
    Open/Close @ .050" Cam LiftIntake: 4° BTDC (opens)
    38° ABDC (closes)
    Exhaust: 52° BBDC (opens)
    2° BTDC (closes)

    It is for good reason why virtually all pushrod-style engines manufactured for over two decades are equipped with hydraulic roller cams. The roller's ability to open and close the valves more quickly facilitates the design of more sophisticated camshaft profiles, while the hydraulic lifter body eliminates the need to constantly set valve lash. They have an exceptionally "flat" power curve and are a popular retrofit into older engines.

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