Mahle 41909.04 Complete Piston Ring Set (.040) 2007.5-2010 Chevy/GMC Duramax 6.6 LMM only fits early 2004 Models

only fits early 2004 Models

2 Inch Inlet Steel Pipe Assembly

there is generally a 2-3 second delay between the time the valve is turned and engine retarding occurs

3 inch Inlet and Outlet for use with Chevrolet

Delphi: HDS310

Mahle 41909.04 Complete Piston Ring Set (.040) 2007.5-2010 Chevy/GMC Duramax 6.6 LMM only fits early 2004 ModelsThe MAHLE 41909. 04 Complete Piston Ring Set (. 040) maintains a factory performance for your 2001 2010 GM 6. 6L Duramax. Made to OEM specifications, the Complete Piston Ring Set comes pre lapped so they seat immediately and don't require a break in period. Features: OE Quality Pre Lapped Sold as a Set