Part No. 65-442.WI.SS
Husaberg FE450 2004 - 2008,
Husaberg FE550 2004 - 2008,
Husaberg FE650 2004 - 2008,
Husaberg FS650 2004 - 2008,

KTM 400 EXC 1999 - 2007,
KTM 450 EXC R 2003 - 2007,
KTM 520 SX, EXC & MXC 2000 - 2002,
KTM 525 SX 2003 - 2006,

KTM 525 EXC, MXC, XC & XC-W 2003 - 2007,
WISECO INTAKE Standard Valve.
Cross reference numbers. WISECO VIS035