2003-2007 Powerstroke 6.0L Smeding Regulated Fuel Return Kit (60RFRK)2003 2007 Powerstroke 6. 0L Smeding Regulated Fuel Return Kit (60RFRK) Upgrade your 2003 2007 F 250 F 350 with the Smeding Diesel Regulated Fuel Return Kit. CNC billet aluminum parts and high flow stainless lines deliver precise fuel pressure, improved filtration, and rock solid reliability. Keep your fuel system in check and your diesel running strong with this complete drop in solution.

the shifts are short and clean with no harshness

9L Injector Set: Economy Series injector with Brand New Nozzle and Brand New injector body

It works in multiple ways for multiple platforms

7L Exhaust Manifold Stud Kit 7mm External Hex Head (FPE-34771)

BUG RELEASE™ is non-toxic

new springs

and North American standards

These studs also feature a recessed hex to help with installation and removal

We kept alignment adjustability in mind with the design of this kit which is why we include a set of our 2° Caster Shims to ensure a proper alignment can be complete with our kit

This MA Heavy Duty Duramax Fuel Injector Return Line Bolt has been redesigned to allow nearly double the tool engagement

This kit includes a Recirculation Door

Covered by a limited lifetime warranty