Here is a new old stock rear adjustable coil spring booster. They help with sagging spring problems, help correct dangerous sway, restore lift to springs up to1 1/4", and are easy to install without any special tools. Instructions are on the back of the card; see photos. I have 2 sets of these boosters; they are $20.00 each or 2 for $35.00.
-----It can be picked up at
428 Grasslands Rd.
Valhalla, N.Y. 10595
Or I can ship it if you like. Please message me your ZIP code so I can calculate the shipping charge.