Revive the performance of your 1994-1995 GM/Chevrolet 3.1L/189 V6 VIN M with the Enginetech RMC189B Re-Ring Kit. This kit delivers high-quality components for a reliable engine overhaul. Includes Cast Piston Rings (R89166), rod bearings (BB285J), main bearings (BC412J), and full gasket set (C3.1-64). Verify fitment for your vehicle and view photos for further fitment information; contact us with any questions. Note: Kit photo is generic; actual parts shown individually. Rod and Main bearings are offered as the same size. Contact us for different sizes.