An ultra-high-performance engine, whether in a NASCAR, a Pro Stocker, or even a heavy-duty street machine, needs an incredible amount of fuel to do what it's supposed to do at high speeds.

Pressure regulators, more commonly known as pressure-reducing valves, keep the output pressure constant in compressed-air systems no matter how the input pressure or output flow changes. They contain ...

Holley Performance Products (Holley) is recalling certain Fuel Pressure Regulators. Please see the recall report for a complete list of part numbers. The fuel pressure regulator diaphragm may become ...