Spring Progressive Add A Pack Kit 2005-Up F250/F350 Rock Krawler Drivetrain & Differentials - Pinion Components - Install & Overhaul Kits Centerline Tread Depth 233: 21

Centerline Tread Depth 233: 21

Quick Easy And Reliable Install

Skid Plates Are Bare Steel And Will Rust If Not Finished

V & Bore(in): 4

Snaps Up - Snaps Down Flush Fit

Spring Progressive Add A Pack Kit 2005-Up F250/F350 Rock Krawler Drivetrain & Differentials - Pinion Components - Install & Overhaul Kits Centerline Tread Depth 233: 21RK Suspension Super Duty mini packs are designed to provide 2 inch of lift when fully installed, smooth out the ride quality and turn your OEM leaf springs into true off road performers! The mini packs offer a level of tuning by installing them in various configurations and how you apply the stack. Product Details: Progressive Add A Pack Spring Turns Your Factory Spring Pack Into A Full Progressive Spring Pack For Rear Leaf Springs Maintains Smooth