ZRP Diamond forged pistons for the Subaru EJ25 2.5L engine. Designed for an 8.1:1 compression ratio and using H-13 tool steel pins.
- Diamond forged pistons
- For the 2.5L EJ25 engine
- 8.1:1 compression ratio
- 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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