2006 Pontiac Montana Helper Springs
- Timbren®Rear SES Rubber Helper Spring KitPontiac Montana 2006, 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. Engineered...Improves ride and handlingEliminates trailer sway and roll$269.36