Stack's low-priced electrical auxiliary instruments feature advanced 90? air-core movements and simple 3-wire installation. Electrical sensors keep hazardous fluids in the engine compartment. White...

Stack Professional Stepper Motor precision auxiliary instruments combine digital microprocessor accuracy with a high-precision stepper motor needle movement, to provide a new level of accuracy and...

Stack Professional Stepper Motor precision auxiliary instruments combine digital microprocessor accuracy with a high-precision stepper motor needle movement, to provide a new level of accuracy and...

Stack Classic 52mm auxiliary instruments employ proven professional gauge architecture combining digital microprocessor accuracy with an extremely responsive and precise stepper motor needle movement...