Wiseco 558M06700 Piston Kit - Standard Bore 66.94mm helmets-open-face-helmets 2:1 compression ratio with S&S

2:1 compression ratio with S&S 89cc heads

1993 Polaris 500 EFI

1999-2012 Triumph Speed Triple

The New FF-98 features GMAXs New quick release face shield mechanism with shield lock and our integrated LED rear light

Works of Engine Vibrations (no Wire needed)

Wiseco 558M06700 Piston Kit - Standard Bore 66.94mm helmets-open-face-helmets 2:1 compression ratio with S&SBore: 66. 94mm Compression: Standard Compression Sizing: Standard Bore All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of todays cylinder bore compositions. Wisecos