Howards Cams, Hydraulic Flat Tappet Camshaft, Oldsmobile 39° V8, 227/233 @ .050, .512/.512 112 LS |
| Item Number: HRC511431-12 |
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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: Oldsmobile 39° V8 260-455 1967-1990
Ignition Firing Order: OE (1-8-7-3-6-5-4-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 2600-6400
Manufacturers Description: Fair idle, street/strip, broad mid-range power. Needs 4 barrel & headers.
Intake Duration @ .050": 227
Exhaust Duration @ .050": 233
Advertised Intake Duration (@ .006"): 281
Advertised Exhaust Duration (@ .006"): 287
Intake Valve Lift with OE Rocker Ratio (1.60): .512"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .512”
Intake Lobe Lift: .320"
Exhaust Lobe Lift: .320"
Intake Valve Lift with 1.65 Rocker Ratio: .528"
Intake Valve Lift with 1.70 Rocker Ratio: .544"
Intake Valve Lift with 1.72 Rocker Ratio: .550"
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: 112 Degrees
Intake Centerline: 108 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: 511431-12
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. |
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