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Howards Cams® Street Force™ Hydraulic Flat Tappet Cam & Lifter Set
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° lobe separations to help maintain vacuum.
Note: Some applications may require a vacuum canister or pump.
Street Force™ 2 are designed for engines with improved intake and exhaust. Ignition improvements along with 1600-1800 torque converter really wakes this combo up.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
Rockwell Tested & Parkerized Ensuring the Highest Quality
Includes Matching Premium Lifters
Part Type: Camshaft & Lifter Set
Application: American Motors V8 290-401 1966-1991
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 1200-5200
Manufacturer's Description: Street Force™ 2, Good idle & throttle response. Needs 4 barrel & good exhaust.
Intake Duration @ .050": 215
Exhaust Duration @ .050": 225
Advertised Intake Duration (@ .006"): 269
Advertised Exhaust Duration (@ .006"): 279
Intake Valve Lift with OE Rocker Ratio (1.60): .474"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .496”
Intake Lobe Lift: .296"
Exhaust Lobe Lift: .310"
Intake Valve Lift with 1.65 Rocker Ratio: .489"
Intake Valve Lift with 1.70 Rocker Ratio: .503"
Intake Valve Lift with 1.72 Rocker Ratio: .509"
Exhaust Valve Lift with 1.65 Rocker Ratio: .512"
Exhaust Valve Lift with 1.70 Rocker Ratio: .527"
Exhaust Valve Lift with 1.72 Rocker Ratio: .533"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Small Base Circle: No
Lifters Included: Yes, 91711
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components®
Manufacturer's Part Number: CL311101-12
Weight: 14.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Set
Note: Oil with ZDDP or ZDDP Additive Required.
Note: Stock (O.E.) valve springs cannot be used.
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