800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

ProMaxx Performance 9231

MAXX Series Aluminum Cylinder Heads 100% CNC Ported

ProMaxx Performance 9231
Representative Image
Product images may differ from actual product appearance.

723-9231

jegs shipping
FREE Shipping
Ships
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
$2,165.99
$2,065.99
ON SALE - $100.00 OFF
ProMaxx Performance 9231 MAXX Series Aluminum Cylinder Heads 100% CNC Ported $2,065.99
MAXX Series Aluminum Cylinder Heads
  • 100% CNC Ported
  • 200cc Intake Ports
  • 72cc Combustion Chambers
  • 2.09'' Intake / 1.66'' Exhaust Valves
  • .600'' Max Lift Hydraulic Flat Tappet Springs
  • Stainless Steel Valves
  • Assembled, 2/pkg

  • Maxx Quality, Performance and Affordibility!

    The ProMaxx MAXX Series Ford FE 390-428ci Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Even the ''as cast'' runner heads utilize ultra-smooth new runner and chamber designs that produce exceptional flow numbers. The fully CNC'd version is designed by Keith Craft Racing Engines and flow numbers that will make the Ford FE performance crowd, very happy! 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.

    Features:
  • A356-T6 Aluminum Castings
  • Hand bowl blending
  • Efficient chamber design
  • Available bare or assembled
  • 5-angle competition valve job
  • 3/8'' bronze valve guides
  • "MAXX" power for street or strip
  • Sold in pairs

  • Items You Need

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List