2001-2016 GM 6.6L Duramax XDP Performance Valve Springs & Retainer Set

Enhance the performance of your 2001-2016 GM 6.6L Duramax with the XDP Performance Valve Springs and Retainer Set. Designed for modified engines, this premium upgrade ensures superior valve control when handling increased boost levels. Unlike traditional options, the conical spring design provides better stability and reliability, making it an essential addition for any serious performance enthusiast.

• 125 lb. seat pressure for optimal performance.
• Advanced conical spring design for enhanced valve control.
• Complete performance valve spring kit including springs, locks, and retainers.
• Ideal for modified engines with elevated boost levels.
• Individually stress-relieved and computer load-mapped for long-term reliability.

Specifications:

• Installed Height: 1.610 inch
• Installed Pressure: 125 lbs
• Pressure at 1.110 inch: 210 lbs
• Coil Bind: 1.050 inch

Fitment:

2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado 2500 HD

2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado 3500 HD

2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GMC Sierra 2500 HD

2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GMC Sierra 3500 HD