For 7/8″ ID Hose
$37.95
KOSO Water Temp Sensor Adapter, 18mm (BG018B01)
KOSO Water Temp Sensor Adapter, 26mm (BG026B01)
KOSO Mini4 RPM Meter (BA0033040)
Koso Mini Thermometer
Rev Limiter
Koso Air/Fuel Ratio & RPM Data Logger