79-8M0135633 SC1000 Blk Tach/Speedo Kit 80 MPH Genuine Mercury Marine OEM factory Part number 8M0135633 superseded from part number 8M0101096 is available. SC 1000 Tachometer & Speedometer Kit Black, Glass Lens One 7000 RPM tach (85 mm) and one 80 MPH (85 mm) speedometer. Contains speed and tach harnesses, air temp sensor and junction box for single engine application. Black face and glass lens. Gauges have RPM and Speed based SmartTow. Features availabe on these gauges will depend on the individual engine model and its available sensors. BEZELS SOLD SEPARATELY. Works with all SmartCraft compatible engines. Software version 8.0 adds quad engine tab module and Universal Fault Code support