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Howards Cams Hydraulic Flat Tappet Camshaft & Lifter Set
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 had been synonymous with high performance camshafts since 1945. A great number of valve train innovations can be traced back to Howards™ Cams. From pioneers in drag racing and oval track cams to cutting edge marine development, Howards™ Cams is at the forefront of the camshaft industry.
Note: Always use Camshaft Break-In Lube with all new flat tappet cams.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
Rockwell Tested & Parkerized Ensuring the Highest Quality
Part Type: Camshaft & Lifter Set
Application: Buick 400-430-455 1967-1976
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Hydraulic Flat Tappet
Basic RPM Range: 1000-5000
Manufacturer's Description: Good idle, mild street performance, strong low end torque.
Intake Duration @ .050": 215
Exhaust Duration @ .050": 215
Advertised Intake Duration (@ .006"): 269
Advertised Exhaust Duration (@ .006"): 269
Intake Valve Lift with OE Rocker Ratio (1.60): .475"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .475"
Intake Lobe Lift: .297"
Exhaust Lobe Lift: .297"
Intake Valve Lift with 1.65 Rocker Ratio: .490"
Intake Valve Lift with 1.70 Rocker Ratio: .505"
Intake Valve Lift with 1.72 Rocker Ratio: .511"
Exhaust Valve Lift with 1.65 Rocker Ratio: .490"
Exhaust Valve Lift with 1.70 Rocker Ratio: .505"
Exhaust Valve Lift with 1.72 Rocker Ratio: .511"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Includes Lifters: Yes, 91311
Small Base Circle: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: CL550931-12
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.
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