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Howards Cams Hydraulic Roller Camshaft
All Howards cams are ground at Howards Cams, not re-boxed like some cam companies. All Howards cams use the highest-grade race quality cores available. Howards cams are manufactured on dedicated high precision cam grinding machines. Most Howards cams are packaged and shipped in our unique, hard, high impact plastic reusable cases. This ensures that the high quality camshaft that went into the case comes out in the same condition, when delivered, as when it was packed.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
Rockwell Tested Ensuring the Highest Quality
Hard protective packaging
Part Type: Camshaft
Application: Ford SB 221-302 1963-1995, 351W 1969-1993
Ignition Firing Order: OE (1-3-7-2-6-5-4-8)
Cam Style: Hydraulic Roller
Basic RPM Range: 2500-6500
Manufacturers Description: Small Base Circle, Lopey idle, Hot Street/Bracket, good mid-range. 9.5-10.5:1 CR, 2800+ stall.
Intake Duration @ .050": 237
Exhaust Duration @ .050": 245
Advertised Intake Duration (@ .006"): 290
Advertised Exhaust Duration (@ .006"): 298
Intake Valve Lift with OE Rocker Ratio (1.60): .597"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .597"
Intake Lobe Lift: .373"
Exhaust Lobe Lift: .373"
Intake Valve Lift with 1.65 Rocker Ratio: .616"
Intake Valve Lift with 1.70 Rocker Ratio: .634"
Intake Valve Lift with 1.72 Rocker Ratio: .642"
Exhaust Valve Lift with 1.65 Rocker Ratio: .616"
Exhaust Valve Lift with 1.70 Rocker Ratio: .634"
Exhaust Valve Lift with 1.72 Rocker Ratio: .642"
Lobe Separation Angle: 110 Degrees
Intake Centerline: 106 Degrees
Lifters Included: No
Small Base Circle: Yes
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 221815-10S
Weight: 10.0 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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