Peterbilt 330 Helper Springs
- Timbren®Front SES Rubber Helper Spring Kit (MSR001)Front SES Rubber Helper Spring Kit (MSR001) 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$510.60
- Timbren®Rear SES Rubber Helper Spring Kit (RESOS1)Rear SES Rubber Helper Spring Kit (RESOS1) 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$510.60
- Timbren®Rear SES Rubber Helper Spring Kit (PTA200)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 rubber springs to...Improves ride and handlingEliminates trailer sway and roll$667.05