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Howards Cams™ Mechanical 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: American Motors (AMC) 290-401 1966-1991
Ignition Firing Order: OE (1-8-4-3-6-5-7-2)
Cam Style: Mechanical Flat Tappet
Basic RPM Range: 3500-7000
Manufacturer's Description: Rough idle, great mid-range & top end performer. 3200+ stall & gears needed.
Intake Duration @ .050": 289
Exhaust Duration @ .050": 295
Advertised Intake Duration (@ .006"): 254
Advertised Exhaust Duration (@ .006"): 260
Intake Valve Lift with OE Rocker Ratio (1.60): .587"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .592"
Intake Lobe Lift: .367"
Exhaust Lobe Lift: .370"
Intake Valve Lift with 1.65 Rocker Ratio: .605"
Intake Valve Lift with 1.70 Rocker Ratio: .623"
Intake Valve Lift with 1.72 Rocker Ratio: .631"
Exhaust Valve Lift with 1.65 Rocker Ratio: .611"
Exhaust Valve Lift with 1.70 Rocker Ratio: .629"
Exhaust Valve Lift with 1.72 Rocker Ratio: .636"
Lobe Separation Angle: 108 Degrees
Intake Centerline: 104 Degrees
Lifters Included: Yes, 91715
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Intake Valve Adjustment: .022"
Exhaust Valve Adjustment: .022"
Manufacturer: Howards Cams & Racing Components™
Manufacturer's Part Number: CL310342-08
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. |