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Howards Cams American Muscle Hydraulic Flat Tappet Camshaft
Near duplicates of some of the most iconic original equipment camshaft grinds from the '60's to the early '70's. Howards Cams took these fantastic grinds and made slight changes to the ramp speeds and minor duration changes to give you better reliability and horsepower. You still get the same throttle response and of course the original style exhaust rumble. Great cams for restoration projects and perfect for the street machines.
Part Type: Camshaft
Cam Series: American Muscle
Application: Ford Small Block 351W 1969-1996
Ignition Firing Order: OE (1-3-7-2-6-5-4-8)
Cam Style: Hydraulic Flat Tappet Camshaft
Basic RPM Range: 800-4500
Manufacturers Description: Near duplicate of the Ford 290HP/351W cam (FMC #C9OZ-6250-A)
Intake Duration @ .050": 198
Exhaust Duration @ .050": 208
Advertised Intake Duration (@ .050"): 260
Advertised Exhaust Duration (@ .050"): 270
Intake Valve Lift with OE Rocker Ratio (1.60): .416"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .445"
Intake Lobe Lift: .260"
Exhaust Lobe Lift: .278"
Intake Valve Lift with 1.65 Rocker Ratio: .429"
Intake Valve Lift with 1.70 Rocker Ratio: .442"
Intake Valve Lift with 1.72 Rocker Ratio: .447"
Exhaust Valve Lift with 1.65 Rocker Ratio: .459"
Exhaust Valve Lift with 1.70 Rocker Ratio: .473"
Exhaust Valve Lift with 1.72 Rocker Ratio: .478"
Lobe Separation Angle: 114 Degrees
Intake Centerline: 115 Degrees
Small Base Circle: No
Lifters Included: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 227571-14
Weight: 14.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Stock (O.E.) valve springs cannot be used.
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