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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: 2200-7200
Manufacturers Description: Fair idle, excellent mid-range performance. 2500+ stall, 10.5:1 CR, 3.70-4.20 gear.
Intake Duration @ .050": 232
Exhaust Duration @ .050": 236
Advertised Intake Duration (@ .006"): 280
Advertised Exhaust Duration (@ .006"): 284
Intake Valve Lift with OE Rocker Ratio (1.50): .625"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .625"
Intake Lobe Lift: .416"
Exhaust Lobe Lift: .416"
Intake Valve Lift with 1.55 Rocker Ratio: .645"
Intake Valve Lift with 1.60 Rocker Ratio: .666"
Intake Valve Lift with 1.65 Rocker Ratio: .686"
Exhaust Valve Lift with 1.55 Rocker Ratio: .645"
Exhaust Valve Lift with 1.60 Rocker Ratio: .666"
Exhaust Valve Lift with 1.65 Rocker Ratio: .686"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 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: CL190355-12
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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