for a budget build, can not beat ProShock, mine rides SO good and David installed the kit out the door for under $1000
https://proshocksuspension.com/producto/2-5-inch-lift-kit-11/
The issue with the valve body wearing out is explained very well here: Diagnosing Solenoid Performance Faults in A761, AB60 & A960 6-Speed Transmissions - https://www.sonnax.com/tech_resources/345-diagnosing-solenoid-performance-faults-in-a761-ab60-a960-6-speed-transmissions
My replacement OEM...