Engine Building


We offer an extensive line up of custom staged Subaru engine builds for people looking to repair, replace or build the engine of their dreams. We have access to superior OEM pricing for those looking to replace their engine components with original new Subaru equipment.

Additionally, we have access to very reputable machining, and we only sleeve with Darton directly for the highest quality control. Anything from basic to extreme, we can make it happen. Contact us today with your goals and we can help you reach them.


AWDTuning Engine Builds/Projects

Staged Engines


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EJ25 Stage One – 400whp/400wtq
-New OEM Subaru case halves
-New Nitride coated crankshaft
-Fresh hone
-ACL Race bearings
-JE FSR/JE Hybrid
-STi rods
Price $3200



EJ25 Stage Two – 500whp/500wtq
-New OEM Subaru case halves
-New Nitride coated crankshaft
-Fresh hone
-ACL Race bearings
-JE FSR/JE Hybrid or Arias custom pistons
-Manley H-Tuff rods
Price $3600

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EJ25 Stage Three – 600whp++/550wtq
-New OEM Subaru case halves
-New Nitride coated crankshaft
-Fresh hone
-ACL Race bearings
-JE FSR/JE Hybrid
-Pauter X-Beam rods
Price $4300

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EJ25 Stage Four – 800whp++/600++wtq
-Darton Sleeved EJ257, Copper O-ring installed
-New Nitride coated crankshaft
-Fresh Bore to piston size &  hone
-ACL Race bearings
-JE Pistons
-Pauter X-Beam rods
Price $6200

EJ25 Stage Five – 800whp++/600++wtq
-Darton Sleeved EJ257, Copper O-ring installed
-Manley Billet Crankshaft
-Fresh Bore to piston size &  hone
-ACL Race bearings
-JE Pistons
-Pauter X-Beam rods
Price $7700

Please note we off FA20 builds as well, on average these go for approximately $400 more.

We also offer custom builds for unique/specific applications.