Power up your 01-03 Ford 2.3L/138 DOHC L4 Duratec with the Enginetech RMF138P Premium Re-Ring Kit. This premium kit delivers top-quality components for a reliable engine overhaul. Includes premium piston rings (S87564), rod bearings (BB121J), main bearings (BC116J), lower gasket set (F138CS-A), and head gasket set (F138HS-B). 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.