About this product
This Howards Cams 128001-09 BBC Rattler Hydraulic Flat Tappet Camshaft fits 396-502 cubic inch Big Block Chevy engines from 1955-1998. This camshaft provides a choppy idle and great throttle response. This cam is designed with wider lobe centers and an aggressive ramp rate leading to even higher air velocity. It works best with a 2200+ stall speed converter and lower gears.
Howards Cams 128001-09 BBC Rattler Hydraulic Flat Tappet Camshaft Specs:
- For Big Block Chevy Mark IV 396-502 engines from 1965-1996
- Basic RPM Range: 1800 to 5600
- Valve Lift Intake: .543
- Valve Lift Exhaust: .553
- Intake Duration: 281
- Exhaust Duration: 289
- Intake Duration at .050”: 227
- Exhaust Duration at .050”: 235
- Lobe Separation: 109
- Intake Centerline: 103
- Firing Order: 1-8-4-3-6-5-7-2
- Recommended Lifter Set: 91111 Performance
- Recommended Premium Lifter Set: 91116 Direct Lube
- Recommended Valve Springs: 98529
- Recommended Valve Spring, Retainer and Lock Kit: 98529-K31
- Made in the USA
Note: Stock (O.E.) valve springs can NOT be used
Howards Cams designed this Flat Tappet hydraulic camshaft for high performance on the street.
Howards Cams - For the ultimate in street performance!
Description supplied by Winners Circle through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
