Howards Cams Mechanical Flat Tappet Camshaft & Lifter Set Howards Cams most popular computer designed performance mechanical 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 mechanical flat tappet performance cam and a set of premium 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 Big Block 396-502 1965-1996 Ignition Firing Order: OE (1-8-4-3-6-5-7-2) Cam Style: Mechanical Flat Tappet Basic RPM Range: 2600-6500 Manufacturers Description: Lopey idle, Street High Performance/Strip. Best with 3200 stall, 10.5:1 CR & 800+ cfm. Intake Duration @ .050": 248 Exhaust Duration @ .050": 254 Advertised Intake Duration (@ .006"): 283 Advertised Exhaust Duration (@ .006"): 289 Intake Valve Lift with OE Rocker Ratio (1.70): .578" Exhaust Valve Lift with OE Rocker Ratio (1.70): .623" Intake Lobe Lift: .340" Exhaust Lobe Lift: .366" Intake Valve Lift with 1.72 Rocker Ratio: .585" Intake Valve Lift with 1.75 Rocker Ratio: .595" Intake Valve Lift with 1.80 Rocker Ratio: .612" Exhaust Valve Lift with 1.72 Rocker Ratio: .630" Exhaust Valve Lift with 1.75 Rocker Ratio: .641" Exhaust Valve Lift with 1.80 Rocker Ratio: .660" Lobe Separation Angle: 108 Degrees Intake Centerline: 104 Degrees Lifters Included: Yes, 91115, Performance Mechanical Flat Tappet
Small Base Circle: No Cam Gear Attachment: 3-Bolt Valve Adjustment: .022/.022 Manufacturer: Howards Cams & Racing Components Manufacturer's Part Number: CL121742-08 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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