Howards Cams 121633-10 BBC Solid Roller Camshaft

This Howards Cams 121633-10 BBC Steel Billet Solid Roller Camshaft fits the 396-502 Big Block Chevy from 1965-1996. Howards designed this cam for pro street/strip use, and it features good mid-range power and a moderate idle. A 11.5:1 or higher compression ratio and a 3500+ stall speed torque converter is highly recommended. 

Howards Cams 121633-10 BBC Steel Billet Solid Roller Camshaft Specs:

• For 396-502 cubic inch Big Block Chevy engines from 1965-1996
• Requires Thrust Button
• Requires upgraded distributor gear/fuel pump pushrod
• Basic RPM Range: 3400 to 7300
• Valve Lift Intake: .725
• Valve Lift Exhaust: .725
• Intake Duration: 289
• Exhaust Duration: 295
• Intake Duration at .050”: 257
• Exhaust Duration at .050”: 263
• Lobe Separation: 110
• Intake Centerline: 106
• Firing Order: 1-8-4-3-6-5-7-2
• Recommended Lifter Set: 91158 SportMax Direct Lube
• Recommended Premium Lifter Set: 91135 RaceMax
• Recommended Valve Springs: 98844
• Made in the USA

Notes: Stock (O.E.) valve springs can NOT be used.

Howards Cams designed this solid roller camshaft for high performance on the street and drag strip.

Howards Roller Cams – From mild to wild, they are the ultimate in performance!