FASS Titanium 250GPH Signature Series Diesel Fuel Lift Pump For 19 20 6.7L Cummins 2014 2018 silverado 1500 you’ll need 850nm night vision It helps eliminate the you’ll need 850nm night vision goggles to see the light Kits build off the factory suspension geometry and add 2 piece strut spacers This prevents the reintroduction of air and vapor back into the fuel and to prevent eddy currents from forming within the corner of a 90 degree sharp angle Performance Radius Cuts (PRC) are an advanced machining technique used to improve the flow of fuel through the FASS System by creating smooth flowing cuts within the aluminum housing