The 7.3L Power Stroke’s HEUI system runs on high-pressure oil, and the Injection Pressure Regulator (IPR) controlls how much oil the HPOP actually sends to the injectors. When the IPR is happy, … read more

If the O/D OFF light on your shifter is flashing, your truck is not just asking for attention. It is telling you the PCM saw a transmission-related fault. A solid light usually means overdrive was man … read more

Determining the intercooler flange size is required before ordering your Riffraff Diesel Intercooler Boots. The intercoolers have different configurations, so you must verify the size prior to orderin … read more

Ford’s stock 6.0L fuel system is what’s known as a “deadhead” system. Fuel enters one side of the head and hits a dead end at the other end, which contributes to hotter fuel at … read more

Parts Required: Riffraff Diesel Billet Manifold Plenums 1994-2003, including: (2) Billet plenums (2) Viton o-rings (1) Installation hardware packet   Recommended Parts: Turbo/pedestal o-ring k … read more