(Non Magnetic) 97-07 KTM RFS 4-Strokes - Center Case Plug. This bolt accepts the stock screen filter, as it snaps in place like the OEM part. Note: All Drain Plugs are motor plugs... not frame or reservoir plugs... unless strictly stated. Zip-Ty Racing offers an option to the stock drain plug with its allen head. The stock unit’s allen head gets plugged with dirt and caked mud – a constant pain, as KTM recommends changing the motor oil so frequently in its RFS four-strokes. Not so with the Zip-Ty Drain Plug – it is made from stainless steel, is non-magnetic, and features a hex head which never plugs – encouraging you to change your oil.