Riffraff Diesel Technical Knowledge Center
High Flow Banjo Bolts for 6.0L / 6.4L Powerstroke (2003–2010)
Mar 4th 2026
If you’ve ever looked at the factory fuel banjo bolts on a 6.0L and thought “I should just drill these out,” you’re not alone—and it’s also how people end up
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7.3 Powerstroke Fuel Bowl Rebuild - Full Step By Step How To
Feb 27th 2026
Fuel leaks on the 7.3 Powerstroke are one of those problems almost every owner will deal with sooner or later. While these trucks can seep fuel from a few different places, the fuel filter housing (fu
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Riffraff Diesel Billet 7.3L Fuel Bowl Cap (1999–2003): Function and Style, keep the OEM filter
Feb 26th 2026
If you’ve owned a 1999–2003 7.3 Powerstroke long enough to do a few fuel filters, you’ve probably met the factory fuel bowl cap in its natural habitat: tired, stripped out, and one b
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Gradient Cooling for 7.3 Powerstroke: 4R100 Cooler Upgrade (1999–2003)
Feb 26th 2026
If you tow with a 1999–2003 7.3L Super Duty, you already know the weak link isn’t usually the engine—it’s usually 4R100 transmission heat issues. That’s where the Gradien
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Riffraff Diesel Billet Oil Filter Housing Cap for 6.0L / 6.4L Powerstroke (2003–2010)
Feb 24th 2026
The factory 6.0L / 6.4L oil filter housing cap gets removed constantly, heat-cycled constantly, and (let’s be honest) occasionally over-tightened. It lives a rough life, especially for plastic.
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