2006 Peterbilt 387 Helper Springs
- Timbren®Rear SES Helper Spring KitPeterbilt 387 2006, Rear SES 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$667.05
- Timbren®Rear SES Helper Spring KitPeterbilt 387 2006, Rear SES 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$667.05
- Timbren®Rear SES Rubber Helper Spring KitPeterbilt 387 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 hollow...Improves ride and handlingEliminates trailer sway and roll$667.05