Alignment Tool Specification: Spline Dia 1 1/8" Spline Count 26 Pilot Dia 0.75 Dodg Viper1992-2002 8.0L 10cyl 2003-2006 8.3L 10cyl 2008-2010 8.4L 10cyl Dodg Truck 1500, 2500, 3500 2004-2006 8.3L 10cyl Mercedes Benz C350 2006-2007 3.5L 6cyl