This classic oil temperature gauge compliments the current range of Stack classic tachos, giving your historic vehicle the accuracy and reliability of a professional gauge as well as the classic look that a historic vehicle needs. Combining digital microprocessor accuracy and a high precision stepper motor needle movement, this gauge provides a new level of accuracy and reliability.Fast, smooth and accurate stepper motor needle drive52mm diameter gaugeWhite back light for night time visibilityThe gauge comes supplied with all necessary wiring and a sender unit with a 1/8 NPTF male thread (part number ST262252). Adaptors for other thread types are available separately. 52mm Diameter