This is the Chassis Height Control Valve for Air Springs from Brianna Auto Parts.
It inflates/deflates the air springs to maintain the suspension height while driving.
It is a non-time delay valve and can be used as a direct replacement for OEM part 90554241.
All ports are 1/4" NPT and marked for the correct lines to be used.
Dump and linkage kit are not included.
It has a weight of 14.3 oz.
Watch the video for more infor like dimensions: