Atesilor 3.780" Piston Ring Compressor Tool for GM LS & LT Series 4.8L 5.3L Engines, 6061-T6 Billet Aluminum Tapered Ring Compressor, Fits LM7 L33 LC9 L83 L20 LR4 LY5 LMG. Wide Compatibility (Gen III, IV, V): One tool covers a massive range of LS and LT platforms.
