ZRP Diamond Forged forged pistons are designed for Subaru 2.5L EJ25 engines. This version has a compression ratio of 9.9 : 1 and a diameter of 99.75 mm.
- Diamond Forged forged pistons
- For the Subaru 2.5L EJ25 engine
- Compression ratio: 9.9 : 1
- Diameter: 99.75 mm
- H-13 tool steel pins
Suitable for: Subaru Forester I (SF) / II (SG) / III (SH), Subaru Impreza I (GC/GF) / II (GD/GG) / III (GE/GV) / III (GH/GR) / III (STI/GRB), Subaru Legacy II (BD/BG) / III (BE/BH) / IV (BL/BP) / V (BM/BR), Subaru Outback II (ESTATE/BH) / III (BL/BP) / IV (BR), Subaru Wrx I (GJ/V1) / I (STI/VAB/VAF/VAG).
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