Cometic Nissan CA18 DET .030 inch DOHC Exhaust Gasket (4 pcs per Kit) 2002-ford-expedition-esi4941788 and the matching under-hood air

and the matching under-hood air duct and splitter

NOTE: Please ensure engine bay looks like the following with the wire connected to upper inlet pipe:

inline with the 1/2" breather port

which allows users with programmable engine management systems (capable of tuning for flex fuel) the ability to optimize an engine's tuning calibration for fuel ethanol content

When fuel pumps are upgraded

Cometic Nissan CA18 DET .030 inch DOHC Exhaust Gasket (4 pcs per Kit) 2002-ford-expedition-esi4941788 and the matching under-hood airCOMETIC MLS (Multi Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. This Part Fits: Year Make Model Submodel 1988 1989 Nissan Pulsar NX SE