K Series Fuel Rail with Oil Gauge Kit Replacement for Acura RSX 2002-2006 Replacement for Honda Civic SI Engines 2001-2005 Item Name: Fuel Rail Main Material: Aluminum Alloy Fuel gauge measurement range: 0-100 psi Product Color: Black Product Size: 32*2.5cm/12.6*0.98inch   Fitment:  Replacement for Acura RSX 2002-2006 Replacement for Honda Civic SI 2001-2005   Installation Steps: 1.Remove the negative battery and the air inlet. 2.Remove the fuel rail and cleanse the fuel lines. 3.Align the injectors with the holes on the intake manifold and firmly attach the rail onto the intake manifold. Utilize a 12 mm socket to fasten and tighten the two nuts that secure the fuel rail. 4.Connect and secure the fuel line. 5.Coat the threads of the instrument completely with thread sealant before installing it on the fuel rail. 6.The installation is complete.