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. 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 Big Block V8 Mark IV 396-402-427-454, '65-'96
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Camshaft/Lifter Style: Hydraulic Roller
Basic RPM Range: 2600-6400
Manufacturers Description: Rough idle, strong mid-range torque & horsepower.
Intake Duration @ .050": 235
Exhaust Duration @ .050": 241
Advertised Intake Duration (@ .006"): 288
Advertised Exhaust Duration (@ .006"): 294
Intake Valve Lift with OE Rocker Ratio (1.70): .618"
Exhaust Valve Lift with OE Rocker Ratio (1.70): .618"
Intake Lobe Lift: .363"
Exhaust Lobe Lift: .363"
Intake Valve Lift with 1.72 Rocker Ratio: .624"
Intake Valve Lift with 1.75 Rocker Ratio: .635"
Intake Valve Lift with 1.80 Rocker Ratio: .653"
Intake Valve Lift with 1.72 Rocker Ratio: .624"
Intake Valve Lift with 1.75 Rocker Ratio: .635"
Intake Valve Lift with 1.80 Rocker Ratio: .653"
Lobe Separation Angle: 108 Degrees
Intake Centerline: 104 Degrees
Lifters Included: Yes, 91167, Hydraulic Roller
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL120405-08
Weight: 14.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Stock (O.E) valve springs cannot be used.
Note: Requires Thrust Button. | 
