ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (185cc)
723-9187S
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185cc Intake Runner
ProMaxx 9187S Project X Aluminum Cylinder Head Features:
- Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates
- Valve springs for use with a hydraulic roller camshaft with a maximum valve lift of .600 in.
- Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise
- Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent
- One-piece 21-4N stainless steel valves are back-cut and swirl polished to promote airflow and are installed in diamond-honed manganese bronze guides
- Combustion chambers with unshrouded, hardened steel valve seats that feature a competition 5-angle valve job
Specifications:
Motor Vehicles
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.
Tools:
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.
Electrical Cords
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.