Howards Cams Hydraulic Roller Camshaft These cams offer significant advantages of additional lift and more power compared to flat tappet designs. The latest in lobe design produces better throttle response and top end horsepower. Designed with fast ramp speeds to give you the most power possible while maintaining the easy maintenance of the hydraulic cam. More applications available from daily street performance, street/strip, to competition designs. Money saving cam and lifter sets include cam and a set of Howards™ premium O.E. Style performance street series Retro-Fit (tie-bar) or MaxEffort™ hydraulic roller lifters, depending on application.
Part Type: Camshaft Cam Series: Retro-Fit Application: Ford Cleveland/M 351C-351M-400 1970-83 Ignition Firing Order: (1-3-7-2-6-5-4-8) Cam Style: Hydraulic Roller Camshaft Basic RPM Range: 2800-6400 Manufacturers Description: Rough idle, street/bracket, good mid range torque & upper end horsepower, 3200+ stall. Intake Duration @ .050": 233 Exhaust Duration @ .050": 241 Advertised Intake Duration (@ .050"): 286 Advertised Exhaust Duration (@ .050"): 294 Intake Valve Lift with OE Rocker Ratio (1.73): .594” Exhaust Valve Lift with OE Rocker Ratio (1.73): .611" Intake Lobe Lift: .343" Exhaust Lobe Lift: .353” Intake Valve Lift with 1.70 Rocker Ratio: .583" Intake Valve Lift with 1.75 Rocker Ratio: .601" Intake Valve Lift with 1.80 Rocker Ratio: .618” Exhaust Valve Lift with 1.70 Rocker Ratio: .600" Exhaust Valve Lift with 1.75 Rocker Ratio: .618" Exhaust Valve Lift with 1.80 Rocker Ratio: .636” Lobe Separation Angle: 112 Degrees Intake Centerline: 108 Degrees Small Base Circle: No Lifters Included: No Cam Gear Attachment: Single-Bolt Valve Adjustment: Zero Lash Plus ½ Turn Manufacturer: Howards Cams & Racing Components Manufacturer's Part Number: 231175-12 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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