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ProMaxx Performance MAXX Series Aluminum Cylinder Heads As-Cast

723-91736


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MAXX Series Aluminum Cylinder Heads As-Cast
$1,849.00
MAXX Series Aluminum Cylinder Heads
  • As-Cast
  • 170cc Intake Ports
  • 76cc Combustion Chambers
  • 2.20'' Intake / 1.73'' Exhaust Valves
  • .600'' Max Lift Hydraulic Flat Tappet Springs
  • Stainless Steel Valves
  • Assembled, 2/pkg
  • Free Shipping - Estimated to ship direct from manufacturer on 04/29/24 , pending manufacturer availability. Learn More
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    what do these heads flow

    Asked by: stranger than most
    266cfm at .600 lift per Promaxx.
    Answered by: Flanary
    Date published: 2018-03-22
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    Technical Specifications and Recommended Components:Combustion Chamber - 64cc Weight - 55.00 lbs Intake Runner - 225cc Exhaust Runner - 62cc Intake Valve Size - 2.08" Exhaust Valve Size - 1.60" Max. Valve Spring Lift - .575" Hydraulic Flat Tappet Spring ...
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    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.

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