Subaru FA20 2.0L casting #AA20 (SOLD IN PAIR)

Precision-Engineered Cylinder Head Reconditioning for BRZ, FRS, and GT86 – Restore Peak Performance

Bring your SUBARU BRZ, SCION FRS, or TOYOTA GT86 back to life with our expertly crafted Cylinder Head Reconditioning Service. Specifically designed for the 2012–2017 FA20 engines, this service delivers factory-quality renewal, ensuring improved power, efficiency, and long-lasting performance for your vehicle.

Our comprehensive reconditioning process integrates advanced machining techniques, meticulous testing, and precise assembly to meet or surpass OEM specifications, offering you results you can truly rely on.

Compatible Vehicles & Years:

• SUBARU BRZ (2012–2017)
• SCION FRS (2012–2017)
• TOYOTA GT86 (2012–2017)

Machine Work Performed:

• Complete Disassembly & Cleaning: Every cylinder head is carefully disassembled and hot-tank cleaned to remove carbon build-up, sludge, and other contaminants. We also perform pressure testing to ensure the durability of the casting is intact, free from cracks.

• Valve Seat & Guide Service: Valve seats are inspected and replaced where necessary, with valve guides renewed to ensure precise alignment. New valve stem seals are installed to prevent oil leaks, ensuring smooth operation and optimal engine performance.

• Precision Valve Job: We meticulously grind the valves and seats to precise angles, ensuring maximum sealing and airflow. The valve job is completed with a vacuum test to ensure perfect compression and sealing integrity.

• Surface Milling for a Superior Finish:

  • PCD Milling (Aluminum Heads): Polycrystalline Diamond (PCD) milling ensures a flawless finish for aluminium heads, promoting optimal sealing and surface flatness.
  • CBN Milling (Cast-Iron Heads): Cubic Boron Nitride (CBN) milling offers precision and exceptional durability for cast-iron heads, making sure your engine runs smoothly for years to come.

• AERA-Compliant Assembly: All components are cleaned, inspected, and reassembled following the strict guidelines of the Automotive Engine Rebuilders Association (AERA), ensuring that every detail meets the highest standards of reliability and performance.