Intake/Exhaust Valve GuideCaracteristicas: All valve guides are made of Ampco 45, a high performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U. S. A. Peso: 0. 05 Alto: 0. 86 Largo: 3. 46 Ancho: 3. 11 Aditamentos: XR400R : 2000 2001 1999 2003 2002 2004 1996 1997 1998 TRX400EX FourTrax : 1999 2000 TRX400EX Sportrax : 2004 2001 2002 2005 2003 TRX400X : 2009 Specs: Application: Exhaust Material: