Cognito Comfort Ride Leaf Springs for 11-25+ Silverado/Sierra 2500/3500 2WD/4WD PPE downpipe RoadActive Suspension kits are designed

RoadActive Suspension kits are designed to strengthen the rear leaf springs for towing or hauling without negatively affecting unloaded ride quality

huge induction tube and a unique bellowed silicone coupler to allow for engine movement while tapering down to increase air density

Pulsar LT can also be used to disable Auto Start/Stop

precision machined internals

Short Finish

Cognito Comfort Ride Leaf Springs for 11-25+ Silverado/Sierra 2500/3500 2WD/4WD PPE downpipe RoadActive Suspension kits are designed22% Improvement in ride quality Provides more compression travel before bottom overload activates Direct OEM replacement complete leaf packs Stock height Sold as a pair 2 hour DIY install time Made in the USA Note: These leaf springs will reduce load carrying capacity by 22% on 2500 trucks. These springs can be installed on 3500 applications but will require removing the top overload spring which will further reduce load capacity. Helper air bags are