Competition Cams High Energy Flat Tappet Camshaft 1978-1989 Pontiac 151 Iron Duke 2.5L 52-115-4

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Competition Cams High Energy Camshaft

#52-115-4 or 521154

NOTE: You are Purchasing The Camshaft ONLY. All Other Part Number Shown Below Are For Reference Purposes Only

Fits:1978-1989 Pontiac 2.5L 151 Ci Iron Duke

Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 500-4,500
Intake Duration at 050 inch Lift: 192
Exhaust Duration at 050 inch Lift: 200
Duration at 050 inch Lift: 192 int./200 exh.
Advertised Intake Duration: 240
Advertised Exhaust Duration: 248
Advertised Duration: 240 int./248 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.455 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.455 in.
Valve Lift with Factory Rocker Arm Ratio: 0.455 int./0.455 exh.
Lobe Separation (degrees): 108
Computer-Controlled Compatible: No
Grind Number: 240H
Valve Springs Required: No
Camshaft Manufacturers Description: Best cam for economy. Excellent torque.
Quantity: Sold individually.

Notes: Fits engines with two gears on cam core.

COMP Cams High Energy camshafts are designed for street engines with an 8:1 to 9:1 compression ratio. They also work well with all stock components, including intakes, exhaust manifolds, and carburetors. These cams offer an increase in both gas mileage and power throughout the rpm range for most street applications.


Recommended Components

Component Part Number
Lifter Kit 864-8
Timing Set 3252
Valve Springs 988-8
Steel Retainers 743-8
Valve Locks 601-8
Valve Seals 501-8
Camshaft Break-In Lube 159



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