Michigan Motorsports 4.8L 5.3L LS Performance Ring Set - Standard Size Fits 1999-2013 LS-Based 4.8L and 5.3L Engines with Stock Cylinder Bore and Pistons LM7 LR4 L59 LM4 L33 LS4 LY2 L20 LY5 LMG LMF LH6 LC9 LH8 LH9 File-fit set with Nitrided Steel Top Ring, Napier 2nd Ring, Standard Tension Oil Ring
