1975 International 150 Helper Springs
![International 150 Helper Springs - 1975](https://ic.carid.com/pages/helper-springs/helper-springs_main_0.jpg)
- Timbren®Rear SES Rubber Helper Spring KitInternational 150 1975, 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$667.05 - $1,428.36
- Superlift®Rear Add-A-Leaf KitInternational 150 5.6L / 6.4L 1975, Rear Add-A-Leaf Kit by Superlift®. Superlift's Product Development staff, arguably the industry's most experienced and talented group, utilizes the latest computer modeling technology to aid in...Precision engineered for your vehicleTested to outperform all comparable products on the market$89.99