LSX Innovations OAL23 LS Oil Pressure Sensor Adapter Port And Dual 1/8 NPT Out Billet aluminum, CNC-machined LS Oil port adapter for your LS based engine Has 2- 1/8 NPT threaded ports for oil pressure gauge, turbo feed lines etc.. and 1 M16-1.5 port to relocate your factory oil pressure sensor If you do not want to relocate your factory oil pressure sensors please check out our other items with no M16 port. 2 1/8 NPT plugs are included LS1 LSX LS2 LS3 5.3 6.0