VERTEX GP Racer Choice Forged Piston Selezione Overmaat zuiger:A The S3 Exhaust Valve Controller

The S3 Exhaust Valve Controller will make you discover and enjoy your engine by controlling your exhaust valve easily and with your own hand

• Remove the O-ring clean

Easy and quickly installed

Spacers 12 mm diameter

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VERTEX GP Racer Choice Forged Piston Selezione Overmaat zuiger:A The S3 Exhaust Valve ControllerVERTEX pistons are recognised for their performance and mileage. Specialising in the manufacture of engine components, the equipment supplier is used by numerous motorcycle motorbike manufacturers and many teams in the MX World Championship.