2018 Freightliner 108SD Helper Springs
- Timbren®SES Rubber Helper Spring KitFreightliner 108SD With Leaf Spring And Air Ride Suspension 2018, 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...Improves ride and handlingEliminates trailer sway and roll$667.05 - $733.75