Our Better than Stock Short Block for the FA20 DIT is completely seasoned with all machining, cleaning, and assembly done in house. Everything is dones on a custom build-to-order basis.


Lead time is usually 1½ weeks to 2 weeks and depends on demand.


Fits 2014+ Subaru WRX DIT Models Casting E20


Prices may change due to part fluctuation depending on time of order.


Looking to finance through Affirm? Follow this link to get started.

In-house machine, clean, inspecting and assembling.


Casting and year blocks subject to availability.


Prices may change due to part fluctuation depending on time of order.


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


Or message here or email us at Georgescylinderhead@gmail.com


Give us a call at 1-877-GCH-SUBI (1-877-424-7824) for orders or questions and information about shipping and more.




  • 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.

    • FA20 S20 Short Blocks into our “Half High Performance Half Stock Build”

    • High Performance Special Anodized and MOS2 Coated Premium Aluminum Alloy Pistons, with the Stronger Ring Lands

    • Custom Piston Rings

    • New OE Main Bearings

    • ACL Race Rod Bearings

    • Refurbished Rods

    • OEM Crank

    • Upgrade to King XPG Race Main Bearings for another $80

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