New Vintage USA Aviator Gauge Kit - Fuel / OP / WT / Volt / Tach / Speedometer - Black Face - GM Fullsize Truck 1999-2006 PFR7934.01.19.44 814" inside diameter are used

814" inside diameter are used to equalize the installed height of valve springs

It is not designed to be compatible with top-fuel/nitro drag racing or catalytic converters found in most street cars

The balance of the assembly depends primarily upon the concentricity of the fan clutch with the pump shaft

Number 150

New Vintage USA Aviator Gauge Kit - Fuel / OP / WT / Volt / Tach / Speedometer - Black Face - GM Fullsize Truck 1999-2006 PFR7934.01.19.44 814" inside diameter are usedProduct Description: Gauge Kit Aviator Analog Fuel Level Oil Pressure Water Temperature Voltmeter Tachometer Speedometer Black Face GM Fullsize Truck 1999 2006 Finish off your dash perfectly with a great package from New Vintage USA. Each kit has everything you need to install in the factory gauge bezel. Brackets install in about 15 minutes, no grinding or cutting. Choose from the factory inspired 67 series which features wraparound graphics,