Hybrid Chamber Machine Work starting at $200! (Does not inlcude heads) Prices are for each head:


  • CNC Chamber Milling (Flow Work) $200

  • CNC Hybrid Machine Math to EJ257 STI Chambers $400 (Machine work only)

  • Oversize Valve Work Starts at $500

  • CNC Race Porting $650 (Machine work only)

  • Head Packages Starting at $1650


Contact us for more details and prices! Prices do not include sales tax or shipping



Shipping will not be charged during this online purchase, it will appear as “free” during the check out page but the charge will be calculated, added on to your invoice and balance will be due once your order has been completed. Depending on your location, shipping can take 1-2 weeks. The tracking number will be provided upon request.


Prices may change due to part fluctuation at time of order


Get started by calling us at 1-877-GCH-SUBI (1-877-424-7824)


Or message us here or email us at: georgescylinderhead@gmail.com



PriceFrom $200.00
  • We have three generations of engineering and craftsmanship in the field of stock and high performance machining and building.


    Everything is built in house, and our team has control over what leaves our shop.


    Each block goes through our rigorous inspection from start to finish, and we measure and inspect everything inside and out to make sure we are always within perfect tolerance levels. Our team makes all needed adjustments.