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IAG Performance Main Journal Pinning & Line Hone Subaru Engine Service
Adding pins to the Subaru EJ case main journals helps reduce flex and distortion caused under high boost and high cylinder pressure events which shortens main bearing life. Utilizing your supplied Subaru 2.5L EJ25 engine case halves, the case is split and the main webs are CNC machined in our Haas VF-4SS CNC mill for 9.5mm pins. Once the pins are pressed into place the case is reassembled and line honed in our Sunnen CH-100 Line Hone Machine to assure the main bearing journals are free of distortion and ready to accept new bearings.
Drill EJ25 case halves for pins
Install (x6) 9.5mm pins
*Service does not include case half cleaning. New EJ25 cases are available separately.
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IAG Performance Subaru Cylinder Head Cleaning Service (1 Pair)
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IAG Performance Subaru Engine Main Journal Line Hone Service
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1203 Baltimore Blvd.
Westminster, MD 21157
Integrity Auto Group Inc.