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ProMaxx Performance 9225K

225 Series Aluminum Cylinder Head Kit

ProMaxx Performance 9225K
Easy Kit


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ProMaxx Performance 9225K 225 Series Aluminum Cylinder Head Kit $1,565.92
225 Series Aluminum Cylinder Head Kit
  • Small Block Chevy
    225cc Cylinder Heads
  • Head Bolts
  • Intake Gaskets
  • Header Gaskets
  • Head Gaskets
  • Valve Cover Gaskets
  • Gasket Maker

  • ProMaxx Performance 9225K Details

    225 Series Intake Port Volume

  • 64cc Combustion Chambers
  • Straight Spark Plug Configuration
  • Kit Includes:

  • ProMaxx SBC 225cc Aluminum Cylinder Heads - 723-9225
  • JEGS SBC Head Bolt Kit - 555-83400
  • Fel-Pro SBC High Performance Intake Gaskets - 375-1206
  • JEGS SBC Exhaust Header Gaskets - 555-210050
  • Fel-Pro SBC Steel Wire Ring Head Gaskets - 375-1004
  • JEGS SBC Valve Cover Gaskets - 555-210075
  • Dynatex DynaBlack RTV Silicone Gasket Maker - 555-28035

  • 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.

  • Will a old style intake fit such as the holly 300 36 and will it accept steam holes

    Asked by: Marknightwolf812
    The older intakes will fit. Steam holes will have to be drilled into them for use on a 400.
    Answered by: Jon Jegs Tech
    Date published: 2017-12-12
    • y_2017, m_12, d_16, h_8CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
    • cp_1, bvpage1
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    • loc_en_US, sid_10001_10001_3835750, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
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