The AIRman B2400-B54 is a lift axle control valve x over l to r, with a regulated ride feature, designed for lift axles. This durable valve provides reliable control for lift axle cross-over applications from left to right, ensuring consistent performance and a smoother ride. Width: 6.8” Height: 5.2” Thickness: 3” Cross-Reference: Hendrickson VS-31844-2, Automann 171.HVS3842, C-31546 Application: Lift Axle