Description
This Howards Cams 720581-10 BBM Hydraulic Flat Tappet Camshaft fits the 383-440 Big Block Chrysler from 1959-1980. Howards designed this cam for street/strip use, and it features strong mid-range power, good throttle response, and a lopey idle. A 9.0:1+ compression ratio and a 2800+ stall speed torque converter are highly recommended.
Howards Cams 720581-10 BBM Hydraulic Flat Tappet Camshaft Specs:
- For 383-440 cubic inch Big Block Chrysler engines from 1959-1980
- Basic RPM Range: 2400 to 6200
- Valve Lift Intake: .531
- Valve Lift Exhaust: .547
- Intake Duration: 277
- Exhaust Duration: 283
- Intake Duration at .050”: 230
- Exhaust Duration at .050”: 236
- Lobe Separation: 110
- Intake Centerline: 106
- Lobes designed to take maximum advantage of .904″ diameter lifter
- Firing Order: 1-8-4-3-6-5-7-2
- Recommended Lifter Set: 91711 Performance
- Recommended Premium Lifter Set: 91712 Max Effort
- Recommended Valve Springs: 98529
- Recommended Valve Spring, Retainer and Lock Kit: 98529-K33
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Flat Tappet camshaft for high performance on the street and drag strip.
Howards Hydraulic Flat Tappet Cams – From mild to wild, they are the ultimate in performance!
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