Boyesen Pro Series Reeds combine breakthrough carbon technology with all the advantages of Boyesen's dual-stage Power Reed. This item fits the following applications: 2004 KTM 300 EXC, 2003 KTM 300 EXC, 2003 KTM 250 EXC, 2002 KTM 300 EXC, 2002 KTM 250 EXC, 2001 KTM 300 EXC, 2001 KTM 250 SX, 2001 KTM 250 EXC, 2000 KTM 300 EXC, 2000 KTM 250 SX, 2000 KTM 250 EXC, 1999 KTM 300 EXC, 1999 KTM 250 SX, 1999 KTM 250 EXC.