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Del West titanium valvetrain components have powered racing engines since 1977.

There’s no reason you can’t ride harder. There’s no reason you can’t race faster. No reason at all – if you’ve got the right valvetrain components.
Product Brand/Model Year DW Part # Factory Part #
Valves-Intake Honda CRF250R 2004-2009 DW-CRF250R-IV04 14711-KRN-670
Valves-Intake Honda CRF250X 2004-2009 DW-CRF250R-IV04 14711-KRN-670
Valves-Intake Honda CRF250R 2010-2011 DW-CRF250R-IV10 14711-KRN-A40
Valves-Intake Honda CRF450R 2002-2008 DW-CRF450R-IV02 14711-MEB-670
Valves-Intake Honda TRX450R 2006-2009 DW-CRF450R-IV02 14711-MEB-670
Valves-Intake Honda TRX450ER 2006-2009 DW-CRF450R-IV02 14711-MEB-670
Valves-Intake Honda CRF450R 2009-2011 DW-CRF450R-IV09 14711-MEN-A30
Valves-Intake Yamaha YZ250F 2002-2009 DW-YZ250F-1IV02 5NL-12111-20
Valves-Intake Yamaha YZ250F 2002-2009 DW-YZ250F-2IV02 5NL-12112-20
Valves-Intake Yamaha YZ250F 2010-2011 DW-YZ250F-1IV10 5NL-12111-30
Valves-Intake Yamaha WR250F 2001-2011 DW-YZ250F-1IV10 5NL-12111-30
Valves-Intake Yamaha YZ250F 2002-2011 DW-YZ250F-2IV10 5NL-12112-30
Valves-Intake Yamaha WR250F 2001-2011 DW-YZ250F-2IV10 5NL-12112-30
Valves-Intake Yamaha YZ450F 2003-2009 DW-YZ450F-1IV03 5TA-12111-00
Valves-Intake Yamaha WR450F 2003-2011 DW-YZ450F-1IV03 5TA-12111-00
Valves-Intake Yamaha YFZ450R 2004-2011 DW-YZ450F-1IV03 5TA-12111-00
Valves-Intake Yamaha YFZ450X 2010-2011 DW-YZ450F-1IV03 5TA-12111-00
Valves-Intake Yamaha YZ450F 2003-2009 DW-YZ450F-2IV03 5TA-12112-00
Valves-Intake Yamaha WR450F 2003-2011 DW-YZ450F-2IV03 5TA-12112-00
Valves-Intake Yamaha YFZ450R 2004-2011 DW-YZ450F-2IV03 5TA-12112-00
Valves-Intake Yamaha YFZ450X 2010-2011 DW-YZ450F-2IV03 5TA-12112-00
Valves-Intake Yamaha YZ450F 2010-2011 DW-YZ450F-1IV10 33D-12111-00
Valves-Intake Suzuki RM-Z250 2004-2006 DW-RMZ250-IV04 K1200-40002
Valves-Intake Suzuki RM-Z250 2007-2011 DW-RMZ250-IV07 12911-10H00
Valves-Intake Suzuki RM-Z450 2005-2006 DW-RMZ450-IV05 12911-35G10
Valves-Intake Suzuki RM-Z450 2007 DW-RMZ450-IV07 12911-35G20
Valves-Intake Suzuki RM-Z450 2008-2011 DW-RMZ450-IV08 12911-28H00
Valves-Intake Suzuki GSXR1000 2007-2008 DW-GSXR1000-IV09 12911-21H01
Valves-Intake Kawasaki KX250F 2004-2006 DW-RMZ250-IV04 12004-0002
Valves-Intake Kawasaki KX250F 2007-2008 DW-KX250F-IV07 12004-0023
Valves-Intake Kawasaki KX250F 2009-2011 DW-KX250F-IV09 12004-0033
Valves-Intake Kawasaki KX450F 2006-2008 DW-KX450F-IV06 12004-0018
Valves-Intake Kawasaki KX450F 2009-2011 DW-KX450F-IV09 12004-0034

 
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