Maxx 200 Series Aluminum Cylinder Heads
InfoVehicle Info Needed
PROMAXX PERFORMANCEPART NUMBER: 723-9200HR

Maxx 200 Series Aluminum Cylinder Heads

$1,33100
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

200 Series Intake Port Volume
  • 64cc Combustion Chambers
  • Straight Spark Plug Configuration
  • Maxx 200 Series Aluminum Cylinder Heads
  • Small Block Chevy
  • 200 cc Intake / 72 cc Exhaust Ports
  • 64 cc Combustion Chambers
  • 2.02 in. Intake / 1.60 in. Exhaust Valves
  • Hydraulic Roller .600 in. Max Lift
  • Assembled Pair

    Additional Cylinder Head Specifications

    • As-Cast
    • Valve Angle: 23 Degree
    • Valve Seal Material: Viton
    • Spark Plug Configuration: Straight
    • Maximum Spring Lift: .600 Hydraulic Roller Tappet Springs
    • Closed Spring Pressure: 145 lbs @ 1.800 in.
    • Open Spring Pressure: 325 lbs @ 1.200 in.
    • 3/8 in. Rocker Arm Studs
    • Steel Retainers

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • 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.

    Show More

    Features:

    • 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.

    Part TypeCylinder Head
    Product LineProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads
    BrandPROMAXX PERFORMANCE
    Package Height9.35
    Package Width12.0
    Package Length21.3
    Weight57.0 PG
    Part CategoryPerformance Parts
    Maximum Valve Lift0.6 in (15.24 mm)
    Part FitmentSemi Universal
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!