TWINAIR Luchtfilter FR ingeolied ProX piston rings are made

ProX piston rings are made by OEM factories to exact specifications

They’re manufactured with high precision and made from the best raw materiels for engine parts

Precision honing ensures ultra round bearing surface

providing an extra protection in a compact and racing design

TWINAIR Luchtfilter FR ingeolied ProX piston rings are madeThanks to their patented conception and their high quality raw materials, Twin Air filters warrant the best performance and protection for your motorcycle. Thats why EO manufacturers and the best riders of the world choose Twin Air. Coarse open pore foam catches airborne dirt, grime and sand Fine open pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage Third layer fire resistant foam laminated to