Size: M12X1.5 & M16X1.5. 1X Oil Pressure Sensor Adapter (M16x1.5 to 1/8" NPT). Female threads are 1/8 NPT. 1X Coolant Temp Adapter (M12x1.5 to 1/8" NPT). Applicable models: Fits to LS Series Engine. The Oil pressure adapter replaces the factory sender behind the intake.
