Sumo Springs front coil spring helper

Has anyone installed coil spring helper on Majestic 28a. What part number , and was it worth it. Already installed front and rear sumo springs Bump stop. installed rear full sumo's on rear # ssr-106-47-1
Rear bump stop SSR-107-54 Front Bump stop # SSF-106-47. Installed HD Bilstein Shocks FRont 187570 Rear 176857 also installed Roadmaster Reflex Steering Stabilizer for Class C Motorhomes