The Precision Raceworks EA888.3 MAP SENSOR KIT (4 BAR) is a plug and play solution for customers looking to exceed 29psi with their EA888.3 engine. This kit includes 2 Genuine Bosch 4 bar T-MAP sensors to replace the existing sensors in your car, necessary wiring harness to allow for direct plug and play solution with the factory wiring, and necessary mounting hardware for securing the T-Map securely to the manifold so it does not come out or leak.