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ProMaxx Performance 225 Series Aluminum Cylinder Heads Small Block Chevy

ProMaxx Performance 2122
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Estimated to ship directly from the manufacturer on 09/07/18
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ProMaxx Performance 225 Series Aluminum Cylinder Heads Small Block Chevy $925.00
225 Series Aluminum Cylinder Heads
  • Small Block Chevy
  • As-Cast
  • 225cc Intake Ports
  • 72cc Combustion Chamber
  • 2.08'' Intake / 1.60'' Exhaust Valves
  • 3/8'' Rocker Arm Studs
  • .575" Max Lift
  • Steel Retainers
  • Assembled, 2/pkg

  • ProMaxx Performance 2122 Details

    225 Series Intake Port Volume

  • 72cc Combustion Chambers
  • Angled Spark Plug Configuration
  • ProMaxx has taken their "As-Cast" Maxx Series 220cc heads, performed their 5-angle valve job, and Bowl Blend to promote flow on this head. This yields a great flowing 225cc runner. To this they added only the highest quality 21-4N stainless valves, .575'' lift (hyd. flat tappet) springs, steel retainers, 3/8'' studs, bronze guides, and guide plates. These heads are a great addition to engine builds 383ci and larger.

    Additional Cylinder Head Specifications
  • Valve Angle: 23°
  • Valve Seal Material: Viton
  • Spark Plug Configuration: Angled
  • Maximum Spring Lift: .575" Hydraulic Flat Tappet Springs

  • Maxx Quality, Performance and Affordibility!

    The ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. While creating the 100% CNC Ported MAXX series, Many long hours on the flow bench were invested for one of the best flowing out-of-the-box cylinder heads available at the best price. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending, and professional assembly to outperform the best brands in the business.

  • A356-T6 Aluminum Castings
  • Hand Bowl Blending
  • Efficient Chamber Design
  • Straight or Angled Spark Plug Configurations Available
  • Available 'Bare' or 'Assembled'
  • 5-Angle Competition Valve Job
  • Diamond-Honed Bronze Guides
  • ''MAXX'' Power for Street or Strip
  • Sold in Pairs, 2/pkg.

    JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.

  • Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations