ProMaxx Performance 9440 440 MAXX Aluminum Cylinder Heads for Big Block Chrysler (B/RB)
723-9440
Product Q&A
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210cc Intake Ports
Additional Cylinder Head Specifications
- Valve Angle: 15°
- Valve Seal Material: Viton
- Spark Plug Type: Angled
- Retainer Material: Steel
- Maximum Spring Lift: .600" Hydraulic Roller
- Through Head Oiling System
- Standard Port Locations
- Bronze Valve Guides
Specifications:
Are the plugs straight or angled.
Will the stock valve train rockers and shaft work?
Will these bolt right on to my Stock 440block
Are they open are closed chamber?
Are the bolt holes on the intake and exhaust side and the rocker stands heli-coiled? Are the exhause bolt holes blind? (not into the water jacket like factory heads)
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.