2005-2016 Pro Form Fab Ford Super Duty F250/F350 Fixed Length 4 Link Upgrade Oem ford 4L’s K16 injection pump is

4L’s K16 injection pump is not internally regulated like a CP3

The ability to maintain our 200hp injectors with little work

enabled the engineers at S&S to make improvements without increasing production costs

Eliminates the need for the crankcase box on the top of the engine— frees up room for more activities under the hood

Cooler transmission fluid lubricates better

2005-2016 Pro Form Fab Ford Super Duty F250/F350 Fixed Length 4 Link Upgrade Oem ford 4L’s K16 injection pump isWe are proud to bring you the Heavy Duty Tubular 4 Link Upgrade for the Ford Super Duty by Pro Form Fab. These work on stock trucks all the way up to 12" of lift. They are completely bolt on utilizing the existing radius arm frame brackets combined with our brackets included in this kit. A 4 link kit improves ride quality and drive ability compared to the OEM radius arm setup as you now have 2 axis pivot points at the frame so the axle will be free to