srt4 boost gauge | eBay Save srt4 boost gauge to get e-mail alerts and updates on your eBay Feed. + Items in search results. SPONSORED. See search results that fit your vehicle. Select Vehicle. Tell us about your vehicle to find the right parts faster. New Listing 2003-2005 Dodge Neon SRT-4 Mopar OEM Auto-Meter SRT Boost Vacuum Gauge 20 PSI . Pre-Owned. $79. Buy It Now Mopar Boost Gauge (-30/+20), Boost Gauges: Store Name Modern Performance This is a mechanical gauge. It will not be a plug and play application for the Caliber SRT4 since the CSRT4 uses a electrical gauge. Therefore, you can use this gauge but you'd need to run a vacuum line from the engine to the gauge for it to work.