Freightliner Coronado Helper Springs
- Timbren®SES Rubber Helper Spring Kit (URMDB)SES Rubber Helper Spring Kit (URMDB) 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 springs to...Improves ride and handlingEliminates trailer sway and roll$667.05