+3 15mm Turbo Vanes & Unison Ring for 6.6l Duramax LLY 04-05 & 6.0l Powerstroke 03 KB-15mm-UR+V $99.95 In stock Quantity: 1 Add to Bag Product Details Complete Vane & Unison Ring Kit for 2004.5-2005 6.6L Chevy GMC Duramax LLY 2004.5-2005 & 2003 6.0L Ford Powerstroke GT3571VA Turbos. Made From High Temperature Tolerant 310SS Restore your turbo's performance with our new replacement vanes! Fits: 6.6l LLY Turbos with 15mm Vanes and Ford Powerstroke 6.0L GT3571VA 2003 Note: 2005 6.6l LLY turbos require 15mm vanes. 2007-2010 LMM turbos require 12.2mm vanes. 2011-2016 LML turbos require 11.2mm vanes. 2006 (+07 Classic) LBZ turbos require 13.2mm vanes. Save this product for later Favorite