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ProMaxx Performance 320 Series Aluminum Cylinder Heads Big Block Chevy

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320 Series Aluminum Cylinder Heads Big Block Chevy
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$2,879.00
320 Series Aluminum Cylinder Heads
  • Big Block Chevy
  • As-Cast
  • 320cc Intake Ports
  • 119cc Combustion Chamber
  • 2.25'' Intake / 1.88'' Exhaust Valves
  • 7/16'' Rocker Arm Studs
  • .800'' Max Lift
  • Titanium Retainers
  • Assembled, 2/pkg
  • Free Shipping - Estimated to ship direct from manufacturer on 04/29/24 , pending manufacturer availability. Learn More
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    Flow Chart1175800 Features:For GM LS1/LS2/LS6 cathedral port applications245 cc intake ports70 cc exhaust ports13.5° valve angleIntake port flows 370 cfmExhaust port flows 235 cfm100-percent CNC ported A-356 aluminumBlended valve bowlsRequires 2.100 in. intake valvesRequires 1.600 in. exhaust valvesFlat Milling: ...
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    Rough Machined Detail: Machined: Main surfaces and exhaust bolt pattern Not Machined: Head bolt & dowel holes, intake bolt holes, spark plug holes & pushrod holes, valve guides, valve seats, valve spring seats and rocker stands Valve locations and angles ...
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    Semi-Machined Detail: Machined: Main surfaces, exhaust bolt pattern, valve guides and spark plug holes Not Machined: Head bolt holes, dowel holes, intake bolt holes, pushrod holes, valve seats, valve spring seats and rocker stands Same casting P/N 12480146. Standard 4.400" ...
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    Some parts are not legal for use in California or other states with similar laws / regulations

    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.