Tapered DOD AFM delete plugs GM LS LT Gen 4 5 Interference Fit V IV 8.25mm. These provide a flush fit unlike other methods.

QUALITY Federal-Mogul tapered roller bearing set. Taper from 7.5mm-8.25mm to create an interference fit by hammer/punch/press into DOD AFM towers.

WARNING: “Measure twice, cut once”. You will be hammering these plugs into your engine and risk creating debris or metal shavings, and once you start hammering there is no going back! You must drive them in enough to fall below the gasket height, and not contact the cover. NOT responsible for misuse or engine damage, measure oil hole first. Use at your own risk!