Riffraff Diesel Technical Knowledge Center
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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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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Why You Need It: Riffraff Diesel Billet Valve Cover Set for 2003–2007 6.0L Powerstroke
Feb 17th 2026
If there’s one thing a 6.0L will do with consistency, it’s find weak sealing surfaces and turn them into an oil “misting” problem making the engine a mess. That’s exactly
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7.3 Powerstroke Billet Compressor Wheel Upgrade (TP38/GTP38)
Feb 9th 2026
If your 7.3 Powerstroke has ever done the turkey gobble / flutter thing under load, you’ve met compressor surge. In laymans terms, surge is teh turbo becoming innefficient/pushed too far for its
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7.3 Powerstroke Stainless Injector Cups: Why Billet Stainless Beats Brass (1994–2003)
Feb 2nd 2026
Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c
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