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Howards Cams Mechanical 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
Application: Ford Cleveland/M 351C-351M-400 1970-83
Ignition Firing Order: (1-3-7-2-6-5-4-8)
Cam Style: Mechanical Roller Camshaft
Basic RPM Range: 4200-8000
Manufacturers Description: Rough idle, super gas, great to end, 12.0:1+CR, 4500+ stall & good exhaust.
Intake Duration @ .050": 273
Exhaust Duration @ .050": 283
Advertised Intake Duration (@ .050"): 305
Advertised Exhaust Duration (@ .050"): 315
Intake Valve Lift with OE Rocker Ratio (1.73): .744"
Exhaust Valve Lift with OE Rocker Ratio (1.73): .727"
Intake Lobe Lift: .430"
Exhaust Lobe Lift: .420"
Intake Valve Lift with 1.70 Rocker Ratio: .731"
Intake Valve Lift with 1.75 Rocker Ratio: .752"
Intake Valve Lift with 1.80 Rocker Ratio: .774"
Exhaust Valve Lift with 1.70 Rocker Ratio: .714"
Exhaust Valve Lift with 1.75 Rocker Ratio: .735"
Exhaust Valve Lift with 1.80 Rocker Ratio: .756"
Lobe Separation Angle: 106 Degrees
Intake Centerline: 102 Degrees
Small Base Circle: No
Lifters Included: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: .022/.022
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 231193-06
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.
Note: Requires upgraded distributor gear.
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