ZRP 1400HD forged pistons by Wiseco are intended for Subaru EJ255 and EJ257 engines with a 2.5 l displacement. They are made from 2618 alloy with low silicon content and high thermal expansion.
The supplier states a compression ratio of 8.5:1 and sizes of 99.50 mm and 99.75 mm for this product. Before ordering, the correct version must be selected according to the final cylinder finish and required compression ratio.
- Series: ZRP 1400HD
- Engines: 2.5L EJ25, EJ255 and EJ257
- Material: 2618 alloy with low silicon content
- Listed diameters: 99.50 mm and 99.75 mm
- Part number: 23303-995-P
Suitable for: Subaru Impreza II (GD/GG) / III (GE/GV) / III (GH/GR) / III (STI/GRB), Subaru Wrx I (GJ/V1) / I (STI/VAB/VAF/VAG).
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