Howards Cams Boost Hydraulic Flat Tappet Cam & Lifter Sets - For Forced Induction Applications
If it's a small street supercharged or 8-71, to a dual turbo setup, Boost is for you. Developed with specific high intensity lobes to give you the maximum power and overall performance with a wide power band. Designed for the daily street car to the weekend warrior. Each set includes matching premium grade lifters.
Part Type: Camshaft and Lifter Set
Application: Chevrolet Big Block Mark IV 396-502 '65-'96
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Camshaft/Lifter Style: Hydraulic Flat Tappet
Basic RPM Range: 1800-5600
Manufacturers Description: Blower, Fair idle. High Performance Street, stock converter ok, best with 1800+ and gears.
Intake Duration @ .050": 235
Exhaust Duration @ .050": 245
Advertised Intake Duration (@ .006"): 289
Advertised Exhaust Duration (@ .006"): 299
Intake Valve Lift with OE Rocker Ratio (1.50): .553"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .553"
Intake Lobe Lift: .368"
Exhaust Lobe Lift: .368"
Intake Valve Lift with 1.55 Rocker Ratio: .570"
Intake Valve Lift with 1.60 Rocker Ratio: .589"
Intake Valve Lift with 1.65 Rocker Ratio: .608"
Exhaust Valve Lift with 1.55 Rocker Ratio: .570"
Exhaust Valve Lift with 1.60 Rocker Ratio: .589"
Exhaust Valve Lift with 1.65 Rocker Ratio: .608"
Lobe Separation Angle: 114 Degrees
Intake Centerline: 110 Degrees
Lifters Included: Yes, 91112, Performance Hydraulic Flat Tappet
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Last Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL129261-14
Weight: 16.0 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. |