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Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Ford SB, 235/241 @ .050, 581/581, 112 LS |
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Howards Cams Retro-Fit 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.
Part Type: Camshaft
Cam Series: Retro-Fit
Application: Ford Small Block 221-302 1963-1995, 351W 1969-96
Ignition Firing Order: 351W (1-3-7-2-6-5-4-8)
Cam Style: Hydraulic Roller Camshaft
Basic RPM Range: 2400-6400
Manufacturers Description: Lopey idle, hot street & bracket racing, 10.0:1-up CR advised.
Intake Duration @ .050": 235
Exhaust Duration @ .050": 241
Advertised Intake Duration (@ .050"): 288
Advertised Exhaust Duration (@ .050"): 294
Intake Valve Lift with OE Rocker Ratio (1.60): .581"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .581"
Intake Lobe Lift: .363"
Exhaust Lobe Lift: .363"
Intake Valve Lift with 1.65 Rocker Ratio: .599"
Intake Valve Lift with 1.70 Rocker Ratio: .617"
Intake Valve Lift with 1.72 Rocker Ratio: .625"
Exhaust Valve Lift with 1.65 Rocker Ratio: .599"
Exhaust Valve Lift with 1.70 Rocker Ratio: .617"
Exhaust Valve Lift with 1.72 Rocker Ratio: .625"
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 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 222735-12
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.
Note: Ford SB 221-302 ignition firing order must be changed to 1-3-7-2-6-5-4-8.
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