COMP Cams Trunnion Kit LS-Type Rocker RetrofitOur trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness. Compatible with stock geometry, our trunnion kit can be performed in 30 minutes with a C clamp or a bench vise. Catalog User 1 This Part Fits: Year Make Model Submodel 2001 2004 Avanti II Base 2008 2009 Buick LaCrosse Super 2004 2007 Buick Rainier CXL 2004 2005 Buick Rainier CXL Plus 2009 2015 Cadillac CTS V 2002 2005,2007