Boost the strength of your 2006 Hummer 3.5L/211 DOHC L5 20V with the Enginetech RMHU3.5P Premium Re-Ring Kit. This premium kit delivers top-tier components for a reliable engine overhaul. Includes premium piston rings (S93155), rod bearings (BB155J), main bearings (BC126J), lower gasket set (C211CS-A), and head gasket set (C211HS-A). Free shipping included. Note: Kit photo is generic; actual parts shown individually. Rod and Main bearings are offered as the same size. Contact us for different sizes.