Howards Cams 190385-12 Gen III/IV LS Hydraulic Roller Camshaft

This Howards Cams 190385-12 Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Howards designed this cam specifically for Rectangular Port Cylinder Heads on aggressive street/strip applications. It is great for use with a small blower as well as nitrous oxide. A 11.0:1+ compression ratio and a 2200+ stall speed torque converter are also highly recommended.

Howards Cams 190385-12 Gen III/IV LS Hydraulic Roller Camshaft Specs:

• For Gen III/IV LS engines from 1997 through Present
• For use with Rectangular Port Cylinder Heads
• Basic RPM Range: 1800 to 7000
• Valve Lift Intake: .612
• Valve Lift Exhaust: .638
• Intake Duration: 274
• Exhaust Duration: 286
• Intake Duration at .050”: 224
• Exhaust Duration at .050”: 234
• Lobe Separation: 112
• Intake Centerline: 108
• Firing Order: 1-8-7-2-6-5-4-3
• Recommended Lifter Set: 91174 Maximum Effort
• Recommended Premium Lifter Set: 91166 Retro-Fit Street
• Recommended Valve Springs: 98112
• Recommended Valve Spring, Retainer and Lock Kit: 98112-K1

Notes: Stock (O.E.) valve springs can NOT be used. Requires custom programmer/tuning also.

Howards Cams designed this hydraulic roller camshaft for high performance on the street as well as the drag strip.

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