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Howards Cams Hydraulic Flat Tappet Camshaft & Lifter Set
Howards Cams most popular computer designed performance hydraulic flat tappet cams are available as cam and lifter sets. These sets offer sizable torque, horsepower, and rpm increases at an affordable price. Each set includes a hydraulic flat tappet performance cam and a set of premium hydraulic lifters.
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: Chevrolet Small Block 262-400, 1955-1998
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 1600-6000
Manufacturers Description: Small Base Circle. Hot street, 4-barrel & headers required.
Intake Duration @ .050": 225
Exhaust Duration @ .050": 235
Advertised Intake Duration (@ .006"): 279
Advertised Exhaust Duration (@ .006"): 289
Intake Valve Lift with OE Rocker Ratio (1.50): .465"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .470"
Intake Lobe Lift: .310"
Exhaust Lobe Lift: .313"
Intake Valve Lift with 1.55 Rocker Ratio: .484"
Intake Valve Lift with 1.60 Rocker Ratio: .496"
Intake Valve Lift with 1.65 Rocker Ratio: .512"
Exhaust Valve Lift with 1.55 Rocker Ratio: .486"
Exhaust Valve Lift with 1.60 Rocker Ratio: .501"
Exhaust Valve Lift with 1.65 Rocker Ratio: .517"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Lifters Included: Yes, 91111, Performance Hydraulic Flat Tappet
Small Base Circle: Yes
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL112581-12S
Weight: 10.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Oil with ZDDP or ZDDP Additive Required
Note: Stock (O.E.) valve springs cannot be used
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