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Howards Cams Hydraulic Roller Camshaft
All Howards cams use the highest-grade quality cores available. Computer designed with knowledge of over 65 years of performance and racing camshaft manufacturing. Howards cams are manufactured on dedicated high precision cam grinding machines. Rockwell checked and Parkerized to ensure the highest quality control standards available anywhere. Packaged and shipped in a unique hard, high impact plastic reusable case. This ensures that the high quality camshaft that went into the case comes out in the same condition, when delivered, as when it was packed.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
Rockwell Tested Ensuring the Highest Quality
Part Type: Camshaft
Application: Chevrolet BB Mark IV 396-502 1965-1996
Ignition Firing Order: OE (1-8-7-3-6-5-4-2)
Cam Style: Steel Billet Mechanical Roller
Basic RPM Range: 4000-7600
Manufacturers Description: Great Super Class cam. Best in 540+ cubic inch. Easy on valvetrain.
Intake Duration @ .050": 277
Exhaust Duration @ .050": 287
Advertised Intake Duration (@ .006"): 309
Advertised Exhaust Duration (@ .006"): 319
Intake Valve Lift with OE Rocker Ratio (1.70): .737"
Exhaust Valve Lift with OE Rocker Ratio (1.70): .737"
Intake Lobe Lift: .433"
Exhaust Lobe Lift: .433"
Intake Valve Lift with 1.72 Rocker Ratio: .746"
Intake Valve Lift with 1.75 Rocker Ratio: .759"
Intake Valve Lift with 1.80 Rocker Ratio: .780"
Exhaust Valve Lift with 1.72 Rocker Ratio: .746"
Exhaust Valve Lift with 1.75 Rocker Ratio: .759"
Exhaust Valve Lift with 1.80 Rocker Ratio: .780"
Lobe Separation Angle: 114 Degrees
Intake Centerline: 110 Degrees
Lifters Included: No
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: .022/.022
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 121233-14
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: Requires Thrust Button.
Note: Requires upgraded distributor gear/fuel pump pushrod.
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