ICON 2007+ Toyota Tundra Rear Leaf Spring Expansion Pack Kit Air & Fuel They will remain separated until

They will remain separated until you select Boost On or Auto mode

It's great for Jeepers that spend a lot of time on-road but can be confident when they venture out on the trail

Designed by ICON and manufactured by Eibach

Method MR312 17x8

Does not include the hood bracket

ICON 2007+ Toyota Tundra Rear Leaf Spring Expansion Pack Kit Air & Fuel They will remain separated untilICON Vehicle Dynamics 2007 Current Toyota Tundra 1. 5 Inch lift Rear Leaf Spring Expansion Pack. Unlike traditional add a leafs that obtain lift height at the cost of stiffening spring rate and sacrificing ride quality. This new approach, full length Toyota Tundra leaf spring expansion pack, replaces all the factory secondary leafs while retaining the factory main and overload springs. This allows us to modify the spring rate to increase ride comfort,