Please check the specifics below to ensure the correct pistons are ordered. Please check the year model and if the original pistons have the GRAPHITED COATING. New Complete STD Piston and Ring Set (4 Left Bank, 4 Right Bank); Direct Replacement Meets Or Exceeds OE Specs; DOES NOT FIT 2005 LLY Engines; Fits 6.6L GM... Our pistons are designed based on OE specifications for the Duramax LLY, LBZ, and LMM engines and include various oversize options. The GRAPHITED Pistons are our LLY/LBZ/LMM pistons. 2-6.6L Duramax Diesel Fuel Filter for 2001-2016 Chevy GMC Replaces 2005 Lly Duramax MAHLE 224-3708WR PISTON KIT W/RINGS-RIGHT (STD) FOR 2006-2010 Lly Duramax Performance Parts Pistons, Rings, Wrist Pins, & Clips FNB-80LI FNB-58Li Battery for Yaesu Vertex VX-7R VX-6R VX-5R HX470S HX471 Two Way Radios Replacement Li-ION Rechargeable Battery ; FREE delivery 14 - 22 July If you have questions, please give us a call.