AEM 3.5 BAR MAP or 50 PSIA Stainless Steel Sensor Kit

There are many different tools that can be used for measurement, but the degree of accuracy depends on the tool. For example, a ruler can measure distance with a good degree of accuracy, but a caliper should be used for a more precise measurement. The difference between a brass pressure sensor and a stainless steel pressure sensor is similar when considered in these terms:
Warranty
Installation Instructions
Datasheet