1999 UD 3000 Helper Springs
![Semi Truck Helper Springs](https://ic.truckid.com/semi-truck/pages/air-suspension-parts/semi-truck-air-suspension-parts_collage_0.jpg)
- Timbren®SES Rubber Helper Spring KitUD 3000 1999, SES Rubber Helper Spring Kit by Timbren®. This SES Suspension Upgrade fits the rear suspension truck. Each laser cut piece of steel is precision bent and powder-coated to ensure a quality fit. Engineered hollow rubber...Improves ride and handlingEliminates trailer sway and roll$398.07 - $667.05