Holley is no stranger to delivering fuel to an internal combustion engine. Holley has been designing and building fuel delivery hardware since 1903 when Henry Ford himself asked the Holley brothers to ...

A huge component of performance is control. If we can more accurately control the timing of fuel and spark to the engine we will achieve a happier, more powerful engine. For older muscle cars, this ...

We pit Holley's new StealthRam fuel injection against the venerable 750 double-pumper in a showdown for maximum power and driveability. The results may surprise you. While fuel injection has been ...

Performing engine swaps is at the core of hot rodding. Dropping in a new powerplant from another vehicle is the cure for more power, better performance, and bragging rights on the street and at the ...