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Howards Retro-Fit Hydraulic Roller Camshaft & Lifter Set
All Howards Cams camshafts are ground at Howards Cams, not re-boxed like some cam companies. All Howards Cams camshafts use the highest-grade race quality cores available. They are manufactured on dedicated high precision cam grinding machines. Most Howards Cams camshafts 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 & Lifter Set
Application: Ford Small Block 221-302 1963-1995 (Except 302 H.O.), 351W 1969-1993
Ignition Firing Order: OE (1-3-7-2-6-5-4-8)
Cam Style: Retro-Fit Hydraulic Roller
Basic RPM Range: 2000-6100
Manufacturers Description: Small Base Circle, Street & mild performance usage. Crisp throttle.
Intake Duration @ .050": 225
Exhaust Duration @ .050": 229
Advertised Intake Duration (@ .006"): 278
Advertised Exhaust Duration (@ .006"): 282
Intake Valve Lift with OE Rocker Ratio (1.60): .533"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .512"
Intake Lobe Lift: .333"
Exhaust Lobe Lift: .320"
Intake Valve Lift with 1.65 Rocker Ratio: .550"
Intake Valve Lift with 1.70 Rocker Ratio: .566"
Intake Valve Lift with 1.72 Rocker Ratio: .573"
Exhaust Valve Lift with 1.65 Rocker Ratio: .528"
Exhaust Valve Lift with 1.70 Rocker Ratio: .544"
Exhaust Valve Lift with 1.72 Rocker Ratio: .550"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Lifters Included: Yes, 91213 OE Style Hydraulic Roller
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: CL220245-12S
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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