Billet aluminium sandwich plates to provide with ports to facilitate the fitting of pressure and temperature sensors and switches. The plate fits between the engine block or filter head and the screw on oil filter. Each has three1/8-27 NPT female ports and plugs are included to allow the blanking of any ports not required.
Sandwich plates are available to suit most cars with a spin on type oil filter and the sandwich plate hase seals to fit both the smaller and larger diameter filters. Please select the thread that matches that of the female centre thread of your oil filter.