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Howards Cams Retro-Fit Hydraulic Roller Camshaft
From the humble beginnings to an industry leader today Howards Cams has not forgotten the customer. Howards Cams main objective is to produce the highest quality product at a reasonable price. The name Howards Cams has been synonymous with high performance camshafts in 1945. A great number of valvetrain innovation scan be traced back to Howards Cams is at the forefront of the camshaft industry. Money saving cam and lifter sets include cam, a matched set of premium lifters and assembly lube.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
100% Rockwell Tested & Parkerized Ensuring the Highest Quality
Hard protective packaging
Part Type: Camshaft
Application: Chrysler BB B/RB 383-440 1959-1980
Ignition Firing Order: (1-8-4-3-6-5-7-2)
Cam Style: Retro-Fit Hydraulic Roller
Basic RPM Range: 2000-6200
Manufacturer's Description: Mild lopey idle, street/mild bracket, good low to mid-range performance, 2500+ stall.
Intake Duration @ .050": 229
Exhaust Duration @ .050": 235
Advertised Intake Duration (@ .006"): 282
Advertised Exhaust Duration (@ .006"): 288
Intake Valve Lift with OE Rocker Ratio (1.50): .520"
Exhaust Valve Lift with OE Rocker Ratio (1.50): .530"
Intake Lobe Lift: .346"
Exhaust Lobe Lift: .353"
Intake Valve Lift with 1.55 Rocker Ratio: .537"
Intake Valve Lift with 1.60 Rocker Ratio: .555"
Intake Valve Lift with 1.65 Rocker Ratio: .572"
Exhaust Valve Lift with 1.55 Rocker Ratio: .548"
Exhaust Valve Lift with 1.60 Rocker Ratio: .565"
Exhaust Valve Lift with 1.65 Rocker Ratio: .583"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Lifters Included: No
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: 720555-12
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 3-bolt timing set.
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