- Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless Steel
- Black Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear
- Made in the U.S.A.
KTM -- 450 EXC -- (2003, 2004, 2000, 2006, 2005, 2007, 2001, 2002); KTM -- 450 SX Racing 4-Stroke -- (2003, 2002, 2006, 2004, 2005, 2000, 2007, 2001); KTM -- 450 MXC -- (2007, 2003, 2006, 2002, 2000, 2005, 2004, 2001); KTM -- 450 XC-W -- (2004, 2007, 2005, 2001, 2006, 2002, 2003, 2000); KTM -- 540 DXC -- (2006, 2002, 2003, 2000, 2004, 2007, 2005, 2001); KTM -- 450 XC -- (2006, 2000, 2005, 2007, 2001, 2004, 2002, 2003)