GlowShifts Oil Sensor Thread Adapter for the GT86 allows you to install up to (2) 1/8-27 NPT oil pressure or oil temperature sensors to monitor your oil systems performance. This oil sensor adapter for the GT86 features a 1/8 BSPT male thread for the oil gallery port, and (2) 1/8-27 NPT female thread ports with (1) port plug and a 1/8 BSPT female thread port that is used for the factory oil pressure sensor.