Mercury - SC1000 Tachometer Kit 7000 RPM Special Kit Black Face Includes Bezel 79-8M0097226. Overview. The Mercury SC1000 Tachometer Kit 7000 RPM (79-8M0097226) is a complete OEM tach setup designed for any SmartCraft-compatible engine. This special kit includes the SC1000 7000 RPM tachometer (black face, glass lens) and a matching black bezel (part 8590741) for a clean, finished look. Built to fit standard 85 mm (3-3/8 in.) dash openings, this gauge delivers accurate RPM readings and smooth Sma