Howards Cams 720581-10 BBM Hydraulic Flat Tappet Camshaft

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!