Howards Cams 190385-15 Gen III/IV LS Boost Hydraulic Flat Tappet Camshaft
This Howards Cams 190385-15 Boost Hydraulic Flat Tappet Camshaft fits the Gen III/IV LS 3-Bolt engines from 1997 through Present. Howards designed this cam specifically for Cathedral Port Cylinder Heads on aggressive street/strip applications using a Blower/Supercharger, and is great for use with Nitrous Oxide. A 10.0:1+ compression ratio and a 2200+ stall speed torque converter are highly recommended.
Howards Cams 190385-15 Gen III/IV LS Boost Hydraulic Flat Tappet Camshaft Specs:
- For Gen III/IV LS 3-Bolt engines from 1997 through Present
- For use with Cathedral 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 .050ā: 224
- Exhaust Duration at .050ā: 234
- 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
Notes: Stock (O.E.) valve springs can NOT be used. Requires custom programmer/tuning.
Howards Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and at the drag strip.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This Howards Cams 190385-15 Boost Hydraulic Flat Tappet Camshaft fits the Gen III/IV LS 3-Bolt engines from 1997 through Present. Howards designed this cam specifically for Cathedral Port Cylinder Heads on aggressive street/strip applications using a Blower/Supercharger, and is great for use with Nitrous Oxide. A 10.0:1+ compression ratio and a 2200+ stall speed torque converter are highly recommended.
Howards Cams 190385-15 Gen III/IV LS Boost Hydraulic Flat Tappet Camshaft Specs:
- For Gen III/IV LS 3-Bolt engines from 1997 through Present
- For use with Cathedral 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 .050ā: 224
- Exhaust Duration at .050ā: 234
- 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
Notes: Stock (O.E.) valve springs can NOT be used. Requires custom programmer/tuning.
Howards Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street and at the drag strip.
