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Howards Cams® Boost™ Hydraulic Roller 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 Gen III/IV LS Series 3-Bolt, '97-Present
Ignition Firing Order: OE (1-8-7-2-6-5-4-3)
Camshaft/Lifter Style: Hydraulic Roller
Basic RPM Range: 2200-6800
Manufacturers Description: Street/Strip, broad power & torque range. Good heads a plus.
Intake Duration @ .050": 227
Exhaust Duration @ .050": 243
Advertised Intake Duration (@ .006"): 275
Advertised Exhaust Duration (@ .006"): 291
Intake Valve Lift with OE Rocker Ratio (1.50): .607"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .618"
Intake Lobe Lift: .405"
Exhaust Lobe Lift: .412"
Intake Valve Lift with 1.55 Rocker Ratio: .628"
Intake Valve Lift with 1.60 Rocker Ratio: .648"
Intake Valve Lift with 1.65 Rocker Ratio: .668"
Exhaust Valve Lift with 1.55 Rocker Ratio: .639"
Exhaust Valve Lift with 1.60 Rocker Ratio: .659"
Exhaust Valve Lift with 1.65 Rocker Ratio: .680"
Lobe Separation Angle: 113 Degrees
Intake Centerline: 109 Degrees
Lifters Included: Yes, 91113, Performance Hydraulic Roller
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Last Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL192865-13
Weight: 16.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Set
Note: Stock (O.E.) valve springs cannot be used.
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