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Crane Cams 105072

Energizer Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .454" /.454" Duration: 272°/272° RPM Range: 1800-5200

Crane Cams 105072

271-105072

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Estimated ship date 08/30/17 if Ordered Today
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Crane Cams 105072 Energizer Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .454" /.454" Duration: 272°/272° RPM Range: 1800-5200 $216.88
Energizer Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .454''/.454''
Duration: 272°/272°
RPM Range: 1800-5200

Crane Cams 105072 Details

1955-81 Pontiac 265-455ci

*Note: Cylinder heads with casting number 540306, 544127 or 9771980 were equipped with 1.65 ratio rocker arms, the specs for this camshaft were devise using 1.5 ratio rocker arms.

**Note: Ram Air engines require different springs. Minimum .040'' clearance required between underside of rocker arms and top of retainers after valve adjustment when valves are closed. Adjustment when valves are closed.

***Note: Since 1975 General Motors divisions have exchanged engines throughout different models (ex. 350ci Chevy engines in Oldsmobile cars). Be certain of exactly which engine you have before ordering.

GOOD IDLE, DAILY USAGE, GOOD LOW AND MID-RANGE TORQUE AND HP, 2600-3000 CRUISE RPM, 8.75 TO 10.5 COMPRESSION RATIO ADVISED.

Grind Number: 272 H10
Operating Range:1800-5200 RPM
Duration Advertised:272° Intake / 272° Exhaust
Duration @ .050'' Lift:216° Intake / 216° Exhaust
Valve Lift w/1.5 Rockers:.454'' Intake / .454'' Exhaust
Lobe Separation Angle:110°
Max Lift Angle:105° ATDC Intake / 115° BTDC Exhaust
Open/Close @.050'' Cam Lift:Intake - 3° BTDC (opens) / 33° ABDC (closes)
Exhaust - 43° BBDC (opens) / (7°) BTDC (closes)

Specifications:

Manufacturer's Part Number:
105072

Available alone or with lifters, the Energizer Series of performance hydraulic camshafts offers streetable performance with serious torque, horsepower, and RPM gains at an affordable price. These single-pattern camshafts have profiles with tighter lobe separations for added torque, midrange power, and throttle response. They're great for stock or mildly modified V8 applications (not for computer-controlled engines).

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