This set of 6 JE Pistons forged pistons for S55 engines is made from high-strength 2618 aluminum alloy. The pistons are a direct replacement for the OEM units and retain the original 9.0:1 compression ratio.
The kit uses 22mm piston pins and includes Proseal rings, locks and a fitting kit.
- 6 forged pistons made from 2618 FSR aluminum alloy
- Bore: 84.0mm, OEM
- Compression ratio: 9.0:1
- Piston pin: 22mm
- Proseal rings, locks and fitting kit included
Suitable for: BMW 4 I (F32/F33/F36/F82/F83), BMW M2 I (F22/F23/F45/F46/F87), BMW M3 VI (F30/F31/F34/F80).

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