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Howards Cams® Hydraulic Roller Cam & Lifter Sets
These cams offer significant advantages of additional lift and more power compared to flat tappet designs. The latest in lobe design produces better throttle response and top end horsepower. Designed with fast ramp speeds to give you the most power possible while maintaining the easy maintenance of a hydraulic cam. Applications available from daily street performance, street/strip, to competition designs. Money saving cam and lifter sets include camshaft and a set of Howards Cams® premium O.E. style performance hydraulic roller 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: 1800-6800
Manufacturers Description: Broad power range. Best with cathedral port heads & aftermarket intake.
Intake Duration @ .050": 224
Exhaust Duration @ .050": 230
Advertised Intake Duration (@ .006"): 274
Advertised Exhaust Duration (@ .006"): 280
Intake Valve Lift with OE Rocker Ratio (1.50): .609"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .604"
Intake Lobe Lift: .406"
Exhaust Lobe Lift: .403"
Intake Valve Lift with 1.55 Rocker Ratio: .629"
Intake Valve Lift with 1.60 Rocker Ratio: .650"
Intake Valve Lift with 1.65 Rocker Ratio: .670"
Exhaust Valve Lift with 1.55 Rocker Ratio: .625"
Exhaust Valve Lift with 1.60 Rocker Ratio: .645"
Exhaust Valve Lift with 1.65 Rocker Ratio: .665"
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: CL190375-12
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.
Note: Requires custom programmer/tuning.
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