Howards Cams 198075-09 Gen III/IV LS Big Mama Rattler Hydraulic Roller Camshaft

This Howards Cams 198075-09 Big Mama Rattler Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Howards designed this cam specifically for street/strip use with Cathedral Port Cylinder Heads, and it features a lopey idle. A 9.0:1+ compression ratio and a 2900+ stall speed torque converter are highly recommended.

Howards Cams 198075-09 Gen III/IV LS Hydraulic Roller Camshaft Specs:

• For Gen III/IV LS engines from 1997 through Present
• For use with Cathedral Port Cylinder Heads
• Basic RPM Range: 2500 to 6600
• Valve Lift Intake: .625
• Valve Lift Exhaust: .625
• Intake Duration: 282
• Exhaust Duration: 290
• Intake Duration at .050”: 234
• Exhaust Duration at .050”: 242
• Lobe Separation: 109
• Intake Centerline: 103
• Firing Order: 1-8-7-2-6-5-4-3
• Recommended Lifter Set: 91013 Performance
• Recommended Premium Lifter Set: 91166 Retro-Fit Street
• 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.

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

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