Synergy Manufacturing Bump Stop Spacer Set 05-25 Ford Superduty 4x4 ISSPRO-R42255 you get a traditional six

you get a traditional six position chip that plugs directly into your truck's PCM to deliver big power gains that are shift on the fly for ease of use

The Zone Offroad kit includes all the necessary components and instructions

Revision B is not available in all thicknesses

with large and small hub sizes on the side gears

gas diesel specific coil springs will not sag to provide you the lift to clear 37's and a ride you might not expect from a system this price competitive

Synergy Manufacturing Bump Stop Spacer Set 05-25 Ford Superduty 4x4 ISSPRO-R42255 you get a traditional sixThe Synergy Ford Super Duty f 250 F 350 front bump stop spacers are highly recommended when lifting or leveling your truck with longer than stock front shocks. These bump stop spacers are designed to add 1 of space between the frame and bump stop cup. When adding longer than stock front shocks, such as Fox 985 24 155, the shock will bottom out before the axle hits the bump stop on the frame. This puts high loads on the shock and frame where the shock