S58 JB4 MAP Sensor Bypass Extensions

These plug and play connectors simplify the installation and removal of JB4 and other S58 piggyback systems by allowing you to bypass the difficult to reach lower MAP sensor by attaching the connections to each other. Sold in pairs.

What's Included

(2) S58 JB4 MAP Sensor Bypass Extension Harnesses S58 JB4 MAP Sensor Bypass Extensions can be mounted high above the hard to reach lower map sensor in a easy to reach location for easy disconnection when re-installing or removing the JB4 or other S58 piggyback systems