2000-2004 Ford F250/350 4WD with 7.3L Diesel 5.5 Inch Performance System with Black Dirt logic Shocks

2000-2004 Ford F250/350 4WD W/ 7.3L Diesel 5.5 Inch Performance System with Black Dirt Logic Shocks

Our Performance systems offer more than just increased ride height. The progressive thin 10-leaf front spring pack rides on nylon glide pads for a superior ride. Front springs include military wrapped front eyes with 4 leaf clamps for exceptional strength. Rear lift is accomplished with a block and u bolt or complete rear spring. 

• Use 315/75R16 tires w/ 16x10 wheels w/ 4 5/8 BS w/ minor trimming
• Use 325/65R18 tires w/ 18x10 wheels w/ 4 1/2 BS w/ minor trimming


• 1  FTS421-1  Front Box Kit **2000-04**
• 2  FTS275D  7.3L Diesel Front Leaf Spring
• 1  FTSBK3  3 Block Kit ** 2000-04**
• 1  FTS351UBK  U-Bolt Kit **2000-04 ONLY**
• 2  FTS81003  Dirt Logic 2.25 Front non Resi
• 2  FTS81005  Dirt Logic 2.25 Rear non Resi

*FOOTNOTE

1. Non Dually models only.
2. May not fit trucks with factory overload springs. Call
   for optional U-bolt options.