Howards Cams Hydraulic Flat Tappet 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: Pontiac V8 265-455 1955-1981
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 3000-6800
Manufacturers Description: Rough idle, hot street/bracket, nice upper mid-range & top end.
Intake Duration @ .050": 241
Exhaust Duration @ .050": 247
Advertised Intake Duration (@ .006"): 294
Advertised Exhaust Duration (@ .006"): 301
Intake Valve Lift with OE Rocker Ratio (1.50): .503"
Exhaust Valve Lift OE Rocker Ratio (1.50): .510"
Intake Lobe Lift: .335"
Exhaust Lobe Lift: .340"
Intake Valve Lift with 1.55 Rocker Ratio: .519"
Intake Valve Lift with 1.60 Rocker Ratio: .536"
Intake Valve Lift with 1.65 Rocker Ratio: .553"
Exhaust Valve Lift with 1.55 Rocker Ratio: .527"
Exhaust Valve Lift with 1.60 Rocker Ratio: .544”
Exhaust Valve Lift with 1.65 Rocker Ratio: .561”
Lobe Separation Angle: 108 Degrees
Intake Centerline: 104 Degrees
Lifters Included: No
Small Base Circle: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 411391-08
Weight: 10.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Oil with ZDDP or ZDDP Additive Required.
Note: Stock (O.E.) valve springs cannot be used. |