Upper mid-range & top end power, Needs 11.0:1+ compression.
- 255 Duration at 050 Exhaust
- 251 Duration at 050 Intake
- Firing Order: 1-8-4-3-6-5-7-2
Howards Cams Hydraulic Roller Camshafts are built utilizing the highest-grade race ready cores available. Every Howards Cams roller camshaft is Rockwell hardness checked and parkerized to ensure superior service life under extreme conditions. These hydraulic roller camshafts are precision manufactured on CNC cam grinding machines; resulting in a wide variety of specifications to best suit your vehicle's needs.
- High-grade race ready core material
- Precision CNC ground for accurate performance
- Rockwell hardness checked and parkerized
Can I install just became an lifters and run it with my stock tune on my 99 5.7 Silverado
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.