The Story
This Howards Cams 190305-15 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 competition applications, and is great for use with a Turbocharger and large cubic inch motors. Aftermarket heads & intake, a 11.0:1+ compression ratio and a 3200+ stall speed torque converter are highly recommended.
Howards Cams 190305-15 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: 2800 to 7400
- Valve Lift Intake: .625
- Valve Lift Exhaust: .625
- Intake Duration: 290
- Exhaust Duration: 290
- Intake Duration at .050”: 242
- Exhaust Duration at .050”: 242
- Lobe Separation: 115
- Intake Centerline: 111
- Firing Order: 1-8-7-2-6-5-4-3
- Recommended Lifter Set: 91174 Maximum Effort
- 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.
Description
This Howards Cams 190305-15 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 competition applications, and is great for use with a Turbocharger and large cubic inch motors. Aftermarket heads & intake, a 11.0:1+ compression ratio and a 3200+ stall speed torque converter are highly recommended.
Howards Cams 190305-15 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: 2800 to 7400
- Valve Lift Intake: .625
- Valve Lift Exhaust: .625
- Intake Duration: 290
- Exhaust Duration: 290
- Intake Duration at .050”: 242
- Exhaust Duration at .050”: 242
- Lobe Separation: 115
- Intake Centerline: 111
- Firing Order: 1-8-7-2-6-5-4-3
- Recommended Lifter Set: 91174 Maximum Effort
- 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.
