Description
This Howards Cams CL121721-12 BBC Hydraulic Flat Tappet Camshaft and Lifter Kit fits 396-502 cubic inch Mark IV Big Block Chevy engines from 1965-1996. Howards designed this cam for street/strip use, and it features broad mid-range to upper end performance and a good idle. A 9.5:1+ compression ratio, lower rear end gears and a 2900+ stall speed torque converter are highly recommended.
Howards Cams CL121721-12 BBC Hydraulic Flat Tappet Camshaft and Lifter Kit Specs:
- For Big Block Chevy 396-502 engines from 1965-1996
- Includes Camshaft 121721-12 and Lifter Set 91111
- Basic RPM Range: 2500 to 6800
- Valve Lift Intake: .570
- Valve Lift Exhaust: .578
- Intake Duration: 294
- Exhaust Duration: 301
- Intake Duration at .050”: 241
- Exhaust Duration at .050”: 247
- Lobe Separation: 112
- Intake Centerline: 108
- Firing Order: 1-8-4-3-6-5-7-2
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Flat Tappet Hydraulic camshaft for high performance on the street and on the drag strip.
Howards Hydraulic Cams – From mild to wild, they are the ultimate in performance!
Reviews
There are no reviews yet.