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Comp Cams Nitrous HP Hydraulic Flat Tappet Camshaft
These hydraulic flat tappet cams are designed to maximize performance in engines equipped with nitrous oxide or superchargers. Carefully tailored lobe profiles deliver excellent performance without nitrous and incredible gains when nitrous oxide is used.
Part Type: Camshaft
Application: Chevrolet BB
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 1600-5900
Manufacturers Description: High performance street, 100-150 HP kit or small blower.
Intake Duration @ .050": 218
Exhaust Duration @ .050": 230
Advertised Intake Duration (@ .006"): 262
Advertised Exhaust Duration (@ .006"): 280
Intake Valve Lift with OE Rocker Ratio (1.50): .462"
Exhaust Valve Lift OE Rocker Ratio (1.50): .480"
Intake Lobe Lift: .3108"
Exhaust Lobe Lift: .320"
Intake Valve Lift with 1.55 Rocker Ratio: .477"
Intake Valve Lift with 1.60 Rocker Ratio: .493"
Intake Valve Lift with 1.65 Rocker Ratio: .508"
Exhaust Valve Lift with 1.55 Rocker Ratio: .496"
Exhaust Valve Lift with 1.60 Rocker Ratio: .512"
Exhaust Valve Lift with 1.65 Rocker Ratio: .528"
Lobe Separation Angle: 113 Degrees
Intake Centerline: 109 Degrees
Lifters Included: No
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Comp Performance Group
Manufacturer's Part Number: 12-556-4
Weight: 10.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Oil with ZDDP or ZDDP Additive Required
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