Sierra International 69717P Sahara Twin Engine Add On IB/IO 4 Gauge Kit Sierra 69717P Sahara Twin Engine Add On IB / IO 4 Gauge Includes: 59703P - Tachometer, 59708P - Voltmeter, 59706P - Water Temperature, 59705P - Oil Pressure Before ordering, please verify this is the correct part for your application. For assistance, please call sierra's Tech support at 1-877-663-8396 All sierra parts qualify for and are Covered under sierra's industry leading customer satisfaction Warranty