Zeitronix ZT-4 Dual Wide Band Controller -- BRAND NEW
http://www.zeitronix.com/Products/Zt-4/Zt-4.shtml
This does NOT have the ZR-4 Gauge included.
Brand new ZT-4 kit, only opened to verify contents. Includes the controller (tiny, smaller than a deck of cards), two LSU 4.9 oxygen sensors, power harness, and two 10' intermediate controller harnesses. Really simple to install and get going. Has dual wideband and narrow band outputs, and integrates with the Zeitronix data logging software.
Looking for $300 shipped. It's $350 anywhere that sells it.
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