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ProMaxx Performance 2210

320 Series Aluminum Cylinder Heads Big Block Chevy

ProMaxx Performance 2210
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ProMaxx Performance 2210 320 Series Aluminum Cylinder Heads Big Block Chevy $1,025.00
320 Series Aluminum Cylinder Heads
  • Big Block Chevy
  • As-Cast
  • 320cc Intake Ports
  • 119cc Combustion Chamber
  • 2.25'' Intake / 1.88'' Exhaust Valve Sizes
  • Bare, 2/pkg

  • Specifications:

    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    119
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Bare
    Damper Spring Included
    No
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    Round
    Exhaust Valve Diameter (in.)
    1.88
    Exhaust Valves Included
    No
    Guideplates Included
    No
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Port Shape
    Rectangular
    Intake Runner Volume (cc)
    320
    Intake Valve Diameter (in.)
    2.25
    Intake Valves Included
    No
    Locks Included
    No
    Machined for O-Ring
    No
    Oiling Style
    Through pushrod
    Quantity
    Sold as a pair
    Retainers Included
    No
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    No
    Rocker Arms Included
    No
    Steam Holes Drilled
    No
    Valve Cover Mounting Style
    Perimeter bolt
    Valve Guide Material
    Manganese bronze
    Valve Guides Included
    Yes
    Valve Seat Machine Style
    5-angle
    Valve Seat Material
    Ductile iron
    Valve Seats Machined
    Yes
    Valve Springs Included
    No
    Valve Stem Seals Included
    No
    Manufacturer's Part Number:
    2210

    ProMaxx heads have started a revolution in the performance world. They have custom designed a head to meet the demands of the Big Block Chevy world, while keeping the quality high and the price reasonable. These BB-Chevy heads come in an As-Cast series or Full CNC-Ported series. The As-Cast series features ''as-cast'' runners and combustion chambers with hand blended valve bowls. The Full CNC-series heads have professionally machined ports and combustion chambers that flow and perform as good as or better than some of the best cylinder heads in the industry. Basic components include U.S. made bronze valve guides, and ProMaxx 5-angle valve job. Assembled heads include 21-4N stainless valves, springs, retainers, 7/16'' rocker studs, guide plates, and viton seals (Bare heads do not include these items).

    Features:
  • A356-T6 Aluminum Castings
  • Efficient Chamber Design
  • 5-Angle Competition Valve Job
  • Diamond-Honed Bronze Guides
  • Available with As-Cast or Full CNC'd Ports and Chambers
  • Sold in Pairs, 2/pkg.

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