Flatout Rear Overload Springs for 2009–25 Subaru Forester

The Flatout Rear Overload Springs are designed to eliminate rear sag and improve load-handling performance for your 2009–25 Subaru Forester. Ideal for loaded vehicles, rooftop tents, rear tire carriers, or heavy accessories, these springs maintain proper ride height and prevent bottoming out over rough terrain.

Manufactured in the USA from ASTM A1000 Grade A SiCr steel, these linear rate springs provide durability and consistent performance. With a 275 lb/in spring rate, they are engineered to handle substantial weight while keeping your ride stable and level. These overload springs work with Trail Runner or any OEM-spec rear shocks, including Bilstein, KYB, and stock replacements.

Key Features

• Load-Capacity Enhancement → 275 lb/in spring rate for heavy loads

• OEM-Style Appearance → Black finish maintains factory look

• Linear Rate Spring → Predictable and progressive under load

• Heavy-Duty Construction → ASTM A1000 Grade A SiCr spring, lifetime warranty against deformation

• Precision Specs:

  • Wire diameter: 0.55"

  • Outer diameter: 4.40"

  • Total coils: 8.80

  • Free length: 14.0"

  • Block height: 5.98"

• Sold in Pairs → Complete set for both rear corners

• 0” Lift → Maintains stock ride height while increasing load capacity

• Made in the USA

Compatibility

• 2009–2025 Subaru Forester

• Fits OEM-spec rear shocks including Bilstein, KYB, OEM, or equivalent

The Flatout Rear Overload Springs are perfect for Forester owners who frequently carry heavy gear or adventure setups. Keep your Forester level, stable, and ready for any load.

The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.