JE forged piston kit for the Subaru STI EJ257. 99.75mm bore, 9.5:1 compression. Forged from 2618 aluminum in the USA with an FSR design; includes wrist pins, locks and JE Pro Seal premium rings. Set of 4.
Specifications
| Type | Forged piston kit (FSR) |
| Engine | Subaru EJ257 (STI) |
| Bore | 99.75mm |
| Compression | 9.5:1 |
| Material | 2618 forged aluminum |
| Quantity | Set of 4 |
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