+3 Turbo Billet Unison Ring for 6.0l Ford Powerstroke and 6.6l Chevy GMC Duramax KB-6.0-6.6-UR $42.95 In stock Quantity: 1 Add to Bag Product Details Stainless Steel Billet Unison Ring for 6.0L Ford Powerstroke & 6.6L Chevy/GMC Duramax GT37V Turbos. Made From High Temperature Tolerant 310SS Kit fits: Ford Powerstroke 6.0L GT3782VA 2004 - 2007 Chevy/GMC Duramax 6.6L GT3788VA LLY, LBZ, LMM, LML 2005 - 2015 Save this product for later Favorite