2011 UD 2300DH Helper Springs
- Timbren®SES Rubber Helper Spring KitUD 2300DH 2011, 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 - $510.60