MAHLE 41909 Complete Piston Ring Set (Standard)

Maintain a factory performance when you add the MAHLE 41909 Complete Piston Ring Set (Standard) to your 2001-2010 GM 6.6L Duramax. The rings included in the  Complete Piston Ring Set  are pre-lapped so they seat immediately and don't require a break in period. Made to factory specifications, the Complete Piston Ring Set maintains an OEM performance.