1999-2004 Superduty 4" Lift Kit with FOX 2.0 Performance Shocks (BDS321FS) spring-kit If using 67-21640 with a

If using 67-21640 with a non-approved kit

This allows for a plush

heavy-duty rubber cap and comes with 2 keys

Featuring DOM steel tube upper Control Arms with extended-duty ball joints

1999-2004 Superduty 4" Lift Kit with FOX 2.0 Performance Shocks (BDS321FS) spring-kit If using 67-21640 with aBDS 4" lift kit for the 1999 2004 Ford F250 and F350 Super Duty 4WD, with clearance for up to 35" tires. Up front it runs BDS Glide Ride triple stage progressive leaf springs for full lift and load capacity, a forged drop pitman arm and track bar relocation bracket to correct steering geometry, sway bar links, bump stop brackets and FOX 2. 0 Performance Series shocks. The rear uses a high strength lift block, longer u bolts and matching FOX 2. 0