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The AutoMeter Spek‑Pro rail pressure gauge offers a 2‑1/16" display tailored to modern direct‑injected diesel systems, delivering accurate readings via a digital stepper motor and solid‑state sensor. It includes a plug‑in pass‑through harness to simplify wiring for 2001–2012 GM Duramax and 2003–2008 Dodge Cummins models. Seven selectable backlight colors, peak recall and alert outputs increase usability and protect engine health.
Autometer Spek-Pro Gauge Rail Press 2 1/16in 30Kpsi Stepper Motor W/Peak & Warn Blk/Smoke/Blk
