Howards Cams Hydraulic Roller Camshaft & Lifter Set
Howards Cams most popular computer designed hydraulic roller cams are now available as cam and lifter sets. It has the performance of a high lift roller cam, with the easy maintenance and durability of a hydraulic. This is the best combination for the street. It’s also great for street/strip and bracket racing. These sets offer sizable torque, horsepower, and rpm increases at an affordable price. Each set includes a hydraulic roller camshaft and a set of premium hydraulic roller lifters.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
Rockwell Tested Ensuring the Highest Quality
Includes Matching Premium Lifters
Part Type: Camshaft and Lifter Set
Application: Oldsmobile 39° V8 400-455 1967-1990
Ignition Firing Order: OE (1-8-7-3-6-5-4-2)
Cam Style: Retro-Fit Hydraulic Roller
Basic RPM Range: 1600-5400
Manufacturers Description: 4/7 Swap, Good idle, Street, broad low to mid-range performance.
Intake Duration @ .050": 219
Exhaust Duration @ .050": 229
Advertised Intake Duration (@ .006"): 272
Advertised Exhaust Duration (@ .006"): 282
Intake Valve Lift with OE Rocker Ratio (1.60): .523"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .512”
Intake Lobe Lift: .327"
Exhaust Lobe Lift: .320"
Intake Valve Lift with 1.65 Rocker Ratio: .539"
Intake Valve Lift with 1.70 Rocker Ratio: .556"
Intake Valve Lift with 1.72 Rocker Ratio: .562"
Exhaust Valve Lift with 1.65 Rocker Ratio: .528"
Exhaust Valve Lift with 1.70 Rocker Ratio: .544"
Exhaust Valve Lift with 1.72 Rocker Ratio: .550"
Lobe Separation Angle: 110 Degrees
Intake Centerline: 106 Degrees
Lifters Included: Yes, 91464 Hydraulic Roller
Small Base Circle: No
Cam Gear Attachment: Single Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL514245-10
Weight: 10.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Stock (O.E) valve springs cannot be used.
Note: Ignition firing order must be changed to 1-8-7-3-6-5-4-2. |