ZRP forged pistons for EJ20 and EJ205 engines in WRX-STi models. They are intended for versions with a 79.00-millimetre crankshaft, with the supplier’s data stating use for EJ20/EJ205 WRX-STi engines from model year 1998 onwards.
Various versions are available depending on piston diameter and compression ratio. Before ordering, check the exact engine version, cylinder bore diameter and selected compression ratio.
- Engines: 2.0L EJ20 and EJ205
- Use: Subaru WRX-STi, 1998 onwards
- Crankshaft: 79.00 mm
- Piston diameter: 92.00 mm or 92.50 mm
- Compression ratio: 8.0:1 or 8.5:1
- Additional designations: 21-GNH9200, 21-GNH9250 and WP082
Suitable for: Subaru Impreza I (GC/GF) / II (GD/GG) / III (GH/GR).
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