The 6.0L Powerstroke is known for making good power, but the factory torque-to-yield head bolts are one of the places owners stop taking chances. When cylinder pressure goes up—whether from tuning, to

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 the rear of the heads,

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Ported_Housing_Instructions.pdf Product Link: https://www.riffraffdiesel.com/riffraff-die

On 1994–1997 OBS 7.3 Powerstrokes, the upper heater hose routing can get sloppy over time. When it droops, it doesn’t just look messy—it can rub on alternator wiring/connectors and create a wear spot

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_7.3L_Injector_Replacement_Instructions.pdf Parts Required: Injector O-ring Kit: Part# AP

Parts Required: Riffraff Diesel Billet Compressor Wheel - Ported Housing: Part# RDP-703697-0001 Garrett Compressor Housing O-ring: Part# GZ-14-010 Turbo Pedestal O-ring Kit: Part# GZ-9-003   Recommen

If you’re hunting a replacement front wheel bearing/hub assembly for a 1999–2004 Ford F-250/F-350 4WD, the first thing that matters is stud thread pitch. This Axiom unit is specifically for coarse thr

If the non-serviceable plug at the bottom of your HPOP is leaking, the factory short-thread plug has likely stripped the threads in the aluminum housing. This long-thread replacement plug is made from

Full PDF Instructions can be downloaded here: Riffraff Diesel 7.3L Coolant Filter Kit 99-03INSTALLATION INSTRUCTIONS Product Link: https://www.riffraffdiesel.com/riffraff-diesel-coolant-filtration-sys

The stock 6.0L Powerstroke thermostat housing has one job: seal. And then, eventually, it… doesn’t. Corrosion + heat cycles = seepage. Riffraff Diesel has the fix: The 6.0L Billet Thermostat Housing.

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/RDP%20Coolant%20Filter%20Installation.pdf Parts Link: https://www.riffraffdiesel.com/riffraff-diesel-cool

The 7.3 Powerstroke HPOP reservoir cover is one of those small parts that gets annoying fast when the fill plug is stripped, the cover is tired, or the reservoir needs to be topped off without making

The stock 7.3 fuel bowl FPR housing works… until it doesn’t. The cast threads can bind, strip, or flat-out snap if there’s contamination in the threads or the compression fitting gets over-tightened.

Older Powerstrokes are great because they’re simple, durable, and still worth fixing. The downside? Some of the factory parts are getting harder to find, more expensive, discontinued, obsolete, or rep

“Turbo mods” on a 7.3 Powerstroke aren’t limited to the turbocharger itself. Many turbo-related symptoms—slow spool, inconsistent boost, smoke, or elevated EGT—are caused by issues in the supporting s

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/6.0L_Turbo_Rebuild_Instructions.pdf Product Link: https://www.riffraffdiesel.com/6-0l-vgt-turbo-rebuild-k

Recommended Parts: ‘05 Superduty OEM Headlights Riffraff Plug & Play 9007/9008/H13 Harness Adapter (4) ¼”-20 x ¾” Button Head Cap Screw  (4) ¼”-20 U-nut clip (4) ¼” Fender Washers   Recommended Tool

The 7.3L Powerstroke is simple, reliable, and painfully honest. If fuel supply is weak, dirty, restricted, aerated, or leaking, the truck will let you know. Fuel system upgrades are not just for big i

Installing intercooler boots—often called CAC (Charge Air Cooler) boots—is one of the most common troubleshooting requests we receive, especially from owners dealing with repeated boot blowoffs or per

The 7.3L Powerstroke (1994–2003) earned its reputation the old-school way: simple, durable, and willing to work for a living. But even the legendary 7.3 has predictable wear points—especially now that