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The Wiseco forged piston set for Subaru EJ20 applications (92.50 mm bore) is supplied as a shelf stock set of four and tailored for high‑stress use. The Professional Series features machining precision with fully machined crowns, forced pin oiling and coatings to reduce friction and resist seizure. These pistons are intended as durable replacements for EJ20 engines needing reliable ring seal under demanding conditions.
Wiseco Subaru EJ20 R/DOME 6576M925 Piston Shelf Stock Kit
