Oil Pressure Relief Valve Bypass Plug Kit for LS Gen IV Engines - Fits 2007-2013 LS3/L99/L96/L92/LMG/LC9/L76/LH6 - with Crush Washer Engineered for 2007+ gen IV LS engines, this oil sump oil pressure relief valve plug is designed to precisely fit the LS engine with an M12×1.75 thread and a 15mm hex head, enabling direct, no-modification installation and leak-free sealing.
