Oil System Improvement ByPass Threaded Delete Gen V oil diverter Click here for PDF installation

Click here for PDF installation instructions

over the last 4 years many of our C5 Big3 customers have reported improvements

The factory bypass check valve can let unfiltered oil into your engine’s bearings and lifters when there are quick oil pressure fluctuations

1994-1/2 to 1996 Cadillac Fleetwood 5

Oil System Improvement ByPass Threaded Delete Gen V oil diverter Click here for PDF installationThis threaded plug is used to plug the IN PAN Check valve. Make sure your Bypass valve is located inside the oil pan like in the picture below BEFORE ORDERING! Note: Some say its not good idea to plug check valve on AFM DOD engines!