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Howards Cams Street Force Hydraulic Flat Tappet Camshaft
Designed for the street performance enthusiast. They feature true street performance with little or no added maintenance. These grinds feature lobes designed to be easy on the valvetrain, and add useable torque, horsepower and throttle response. They also have 112 degree lobe separations to help maintain vacuum. Street Force 1 cams are great for engines with minor or no additional improvements. A good dual plane intake and dual exhaust is great for additional performance. Note: Some applications may require a vacuum canister or pump.
Part Type: Camshaft
Cam Series: Street Force 1
Application: Ford Small Block 221-302 1963-1995 (Except 302 H.O.)
Ignition Firing Order: OE (1-5-4-2-6-3-7-8)
Cam Style: Hydraulic Flat Tappet Camshaft
Basic RPM Range: 1000-4500
Manufacturers Description: Good idle, mild street performance, strong low end torque.
Intake Duration @ .050": 205
Exhaust Duration @ .050": 215
Advertised Intake Duration (@ .050"): 259
Advertised Exhaust Duration (@ .050"): 257
Intake Valve Lift with OE Rocker Ratio (1.60): .448"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .480"
Intake Lobe Lift: .280"
Exhaust Lobe Lift: .300"
Intake Valve Lift with 1.65 Rocker Ratio: .462"
Intake Valve Lift with 1.70 Rocker Ratio: .476"
Intake Valve Lift with 1.72 Rocker Ratio: .482”
Exhaust Valve Lift with 1.65 Rocker Ratio: .495"
Exhaust Valve Lift with 1.70 Rocker Ratio: .510"
Exhaust Valve Lift with 1.72 Rocker Ratio: .516"
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: 210021-12
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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