Dieselsite 4WD ESOF Stainless Lines Kit - 1999-2004 Ford F-Series Lift Height:6"-8" Lift This is a very common

This is a very common issue on OBS trucks

This is the height of the block in the center directly over the axle

1977 - 1996 Ford F150

By lowering your spare tire 2

Dieselsite 4WD ESOF Stainless Lines Kit - 1999-2004 Ford F-Series Lift Height:6"-8" Lift This is a very commonDieselsite ESOF Stainless Steel Vacuum Line Kit If your ESOF (Electronic Shift On The Fly) 4WD system isnt engaging properly, the problem is often not electrical its vacuum related. Over time, the factory rubber vacuum hoses dry rot, crack, or collapse, and the steel fittings at the hubs commonly rust and leak. Any vacuum loss prevents the hubs from locking correctly. The Dieselsite ESOF Stainless Lines Kit permanently solves this issue by replacing