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(888) 312-8812 Login SignupSince excessive fuel pressure can impact engine performance, the PAI Fuel Tank Overflow Valve plays a role in controlling the return flow. This special tool is specifically made for Mack E7, E8, E-Tech, and ASET Series engines to regulate excess fuel and return it to the tank with no issues. When the fuel system maintains balanced pressure, fuel delivery remains stable, helping optimize combustion and performance. Get the PAI 801090 today.
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