Equus 5000 Series Gauge Kit - Analog - Oil Pressure/Voltmeter/Water Temperature - 2" Diameter - White Face H753C2454 The holders have a 5/8"

The holders have a 5/8" male RH thread and a 3/8" hole

1980-1985 Ford LN800

980 lb/in linear spring rate

Edelbrock Water Pump

Double 14-16 ga

Equus 5000 Series Gauge Kit - Analog - Oil Pressure/Voltmeter/Water Temperature - 2" Diameter - White Face H753C2454 The holders have a 5/8"Oil: 0 100 Psi 0 700 Kpa (270 Sweep) Volt: 8 To 18 Volt Range (90 Sweep) Water: 130 To 280 F 60 To 140 C (270 Sweep) Simplifies installation One year from purchase date warrantyFor decades, EQUUS has designed and manufactured high quality automotive gauges and instruments for numerous OEM and aftermarket brands. They have brought that same level of quality and design to their own line of top quality, affordable gauges, offered in a variety of styles