Description
This Howards Cams 123505-12 BBC Hydraulic Roller Camshaft is designed for 396-502 cubic inch Big Block Chevy engines from 1965 through 1996. Howards designed this cam for pro street/strip use, and features a rough idle. It is best in larger cubic inch with broad power. A 10.5:1+ compression ratio, an aftermarket/ported intake, headers, lower rear end gears, and a 3400+ stall speed torque converter come highly recommended.
Howards Cams 123505-12 BBC Hydraulic Roller Camshaft Specs:
- Fits 396-502 Big Block Chevy engines from 1965 through 1996
- Basic RPM Range: 3000 to 6600
- Valve Lift Intake: .680
- Valve Lift Exhaust: .680
- Intake Duration: 300
- Exhaust Duration: 308
- Intake Duration at .050”: 247
- Exhaust Duration at .050”: 255
- Lobe Separation: 112
- Intake Centerline: 108
- Firing Order: 1-8-4-3-6-5-7-2
- Stock O.E. Valve Springs can NOT be used
- Requires Thrust Button
- Recommended Lifter Set: 91167 Retro-Fit Street
- Recommended Valve Springs: 98636
- Recommended Valve Spring, Retainer and Lock Kit: 98636-K32
- Made in the USA
Howards Cams designed this Hydraulic Roller camshaft for high performance on the street and on the drag strip.
Howards Hydraulic Roller Cams – From mild to wild, they are the ultimate in performance!
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