The regulator controls fuel pressure for your engine. When it goes bad, signs include misfires, black exhaust smoke, stalling ...

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 ...

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.

Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...

We don't have to tell you that too little juice to the squirters, especially under boost, is a costly proposition that could lead to serious internal surgery on your engine. Twelve years ago, when ...