1966 International M Series Van Helper Springs
- Timbren®Rear SES Rubber Helper Spring KitInternational M Series Van 1966, Rear 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....Improves ride and handlingEliminates trailer sway and roll$667.05 - $1,428.36