Description
This Howards Cams 190865-13 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 race only applications, and is great for use with a small blower or nitrous oxide. Aftermarket heads & intake, an 11.0:1+ compression ratio and a 3000+ stall speed torque converter are highly recommended.
Howards Cams 190865-13 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: 2600 to 7200
- Valve Lift Intake: .625
- Valve Lift Exhaust: .625
- Intake Duration: 288
- Exhaust Duration: 304
- Intake Duration at .050”: 240
- Exhaust Duration at .050”: 256
- Lobe Separation: 113
- Intake Centerline: 109
- 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. Requires custom programmer/tuning.
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!
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