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™ 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.
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 and 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: 800-4800 Manufacturer's Description: Street Force™ 1, Good idle mild street performance, strong low end torque. Intake Duration @ .050": 205 Exhaust Duration @ .050": 215 Advertised Intake Duration (@ .006"): 259 Advertised Exhaust Duration (@ .006"): 269 Intake Valve Lift with OE Rocker Ratio (1.60): .448" Exhaust Valve Lift with OE Rocker Ratio (1.60): .474” Intake Lobe Lift: .280" Exhaust Lobe Lift: .296" 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: .488" Exhaust Valve Lift with 1.70 Rocker Ratio: .503" Exhaust Valve Lift with 1.72 Rocker Ratio: .509" 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: CL310101-12 Weight: 14.0 lbs. Warranty: Race Application, No warranty expressed or implied Quantity: Sold as Set Note: Oil with ZDDP or ZDDP Additive Required.
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