Description
The Ironman 4×4 Front Heavy Coil Springs (Part Number FOR015C) to suit the Ford F-150 2021 onwards (Est. 75mm lift).
Cold Coiled
CNC cold coiling ensures perfect consistency and accuracy, less heat during manufacture maintains material properties resulting in longer life.
Bar Peeled
Bar peeling is the process of forming the material to an exact size before coiling, this ensures the diameter remains constant and free of flaws along its entire length.
Shot Peened
Manipulates material surface tension to reduce stress, greatly enhances spring life.
Triple Scragged
Each coil is fully compressed to a solid state 3 times to minimise coil settling.
Progressive and Linear Rate
Used in accordance to original vehicle manufacturers preference, progressive springs increase rate as the spring compresses, linear springs maintain a consistent rate throughout its range.
Powder Coated
All springs are electro-static powder-coated for a durable finish.
- Part number suffix “S” – Standard Height
Available for selected applications to provide enhanced performance at original vehicle manufacturers ride height. - Part number suffix “A” – Light
Suitable for zero to light load applications, higher priority toward – Comfort with minimal increased ride height. - Part number suffix “B” – Medium
Suitable for use in zero to medium load applications, ideal for moderately accessorised vehicles or occasional load. - Part number suffix “C” – Heavy
Suitable for vehicles with permanent heavy accessories, higher priority towards load support, provides more control and firmer suspension. - Part number suffix “D” – Extra Heavy
Suited only to vehicles with permanent heavy accessories combined with heavy additional load. - Part number suffix “E” – Super Heavy
Maximum support for extra heavy loads typically commercial or mining use vehicles.
