Mercury – SC1000 Speed Kit | 80 MPH Speedometer & 7K Tachometer | Dual Engine | Gray Face | 79-8M0185906 Yamaha-F70--6CJ-1051515--Newer-Models-2015 The Quicksilver 74639A2 is a

The Quicksilver 74639A2 is a genuine Mercury Marine component

EEL "Y" Adapters

Engine Warning Buzzer: Features an engine warning buzzer to help alert the operator to engine-related warnings

Double molded Black ends for added strength

Mercury – SC1000 Speed Kit | 80 MPH Speedometer & 7K Tachometer | Dual Engine | Gray Face | 79-8M0185906 Yamaha-F70--6CJ-1051515--Newer-Models-2015 The Quicksilver 74639A2 is aMercury SC1000 Speed Kit 80 MPH Speedometer & 7K Tachometer Dual Engine Gray Face 79 8M0185906 Overview The Mercury SC1000 Speed Kit (79 8M0185906) is a complete SmartCraft gauge package built for dual engine boats. This kit includes an 80 MPH SC1000 speedometer and two 7000 RPM SC1000 tachometers, both featuring gray faces, white numerals, and glass lenses for a sharp, modern finish. Its designed for twin engine Mercury SmartCraft setups and delivers