Revive the performance of your 69-90 GM/Chevrolet 6.0L/366 OHV V8 with the Enginetech RMC366P Premium Re-Ring Kit. This premium kit delivers top-tier components for a reliable engine overhaul. Includes premium piston rings (C39448), rod bearings (BB619J), main bearings (BC364J), and full gasket set (C454-43). 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.