Restore the performance of your 68-73 GM/Chevrolet 5.0L/307 OHV V8 with the Enginetech RMC307 Re-Ring Kit. This kit delivers high-quality components for a reliable engine overhaul. Includes cast piston rings (R38858), rod bearings (BB253J), main bearings (BC296J), and full gasket set (C350-1). 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.