Stage 1 Long Block Package starts at $5,000 with a rebuildable core exchange (get up to $2,000 back!) 625BHP rating with our GCH Spec Forged Rods OR the H-TUFF Rod Upgrade
Engine code fitments:
EJ (205,255,257,257B)

(Long block engine only. No accessories)


Prices are:

  • EJ 205 - $6,000 *Outright price (no core exchange) does not include timing, shipping or sales tax
  • EJ 255,257,257B - $7,000 *Outright price (no core exchange) does not include timing, shipping or sales tax
  • Deposit starts at $1,500 before upgrades (goes towards build).

    *Credit/Debit card accepted for non-refundable deposit. We will contact you for payment arrangements via wire transfer and/or bank deposit only. Payment installments can be arranged!


Core exchange option: RECEIVE UP TO $2,000 BACK for this Stage 1 Package with the return of your old, rebuildable core. Core Deposit of $2,000 (included in price) is refundable after we receive the core and inspect it for damages within 30 days. Customer must pay for core shipping. Call us for any questions about core exchanges.

*Bad crank core charge may be applied if we have to replace the crank upon inspection.



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.


Casting and year blocks subject to availability


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:


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SKU: 364215376135191
PriceFrom $1,500.00
  • 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.