Duramax Block Cores

Wagler Competiton Products now offers used certified refurbished cores for your Duramax!

Duramax Engine Cores:

• LB7(2001-2004)
• LLY(2004.5-2005)
• LBZ(2006-2007)
• LMM(2008-2010)
• LML(2011-2016)