Toyota Dished Piston Set 83.50mm 7MGTE 4V

The Wiseco Toyota Dished Piston Set 83.50mm 7MGTE 4V (K613M835) is a forged competition piston kit engineered for high-performance Toyota in-line-6 engines running forced induction. Designed specifically for the 7M-GTE platform, this dished piston set delivers the compression geometry and structural strength required for turbocharged applications where boost pressure and sustained rpm demand uncompromising durability.

This kit features 83.50mm bore diameter with a minus 16.00 cc compression volume, specifically calibrated for the 7M-GTE's displacement and induction characteristics. The ring groove specifications—1.0 x 1.2 x 2.8 mm—are matched to modern competition ring packages that maintain oil control and blowby management under elevated boost. Forged construction provides the thermal stability and fatigue resistance necessary for sustained high-rpm operation on the dyno and track, where cast pistons cannot reliably perform. The dished crown geometry optimizes combustion chamber shape while managing detonation risk in turbocharged engines.

This piston set is purpose-built for dedicated 7M-GTE builders pursuing maximum power output through engine modification. Whether supporting a stock turbocharger at elevated boost levels or functioning as a core component in a fully built short block, Wiseco's engineering ensures ring seal integrity, crown strength, and thermal cycling durability. Installation requires precision machine work, proper ring gap gapping, and verification of piston-to-head clearance specific to the target compression ratio and combustion chamber configuration. This is a core component for serious engine builders, not a wear item or direct bolt-in upgrade.