Add to Cart Peterbilt Smart Valve Link Program Kit Automann MSRP: Now: $2,859.98 Was: Peterbilt Smart Valve Program Retrofit Kit Link All-In-One Electronic Height Control Program Kit Fits Most Peterbilt Models Eliminates Needs For Various Other Electronic Suspension Control Systems With Trailer Resting on Landing Hear, Effort Used... MSRP: Now: $2,859.98 Was: Add to Cart