Howards Cams 190325-12 Gen III/IV LS Hydraulic Roller Camshaft

This Howards Cams 190325-12 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, and it features mid-torque & horsepower. A 11.0:1+ compression ratio, good heads, and a 2400+ stall speed torque converter are highly recommended.

Howards Cams 190325-12 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: 2000 to 7200
• Valve Lift Intake: .578
• Valve Lift Exhaust: .587
• Intake Duration: 281
• Exhaust Duration: 284
• Intake Duration at .050”: 226
• Exhaust Duration at .050”: 232
• Lobe Separation: 112
• Intake Centerline: 108
• Firing Order: 1-8-7-2-6-5-4-3
• Recommended Lifter Set: 91013 Performance
• Recommended Premium Lifter Set: 91156 Retro-Fit High Endurance
• Recommended Valve Springs: 98112
• Recommended Valve Spring, Retainer and Lock Kit: 98112-K1
• Made in the USA

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

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