Howards Cams 128001-09 BBC Rattler Hydraulic Flat Tappet Camshaft

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!