ND Tuned SLS Coil Springs

Introducing our line of SLS Springs.

ND Tuned's SLS (Super Light Steel) springs offer the perfect balance of performance and affordability. A specialized treatment process increases strength and reliability under high stress.


SLS Coil Spring 1.75"


  • Spring 300x1.75"

    ND-210-400-120-300

    Internal Diameter
    36.1mm

  • Spring 350x1.75"

    ND-210-400-120-350

    Internal Diameter
    36.1mm

  • Spring 400x1.75"

    ND-210-400-120-400

    Internal Diameter
    36.1mm

  • Spring 450x1.75"

    ND-210-400-120-450

    Internal Diameter
    36.1mm

  • Spring 500x1.75"

    ND-210-400-120-500

    Internal Diameter
    36.1mm


SLS Coil Spring 2.25"


  • Spring 300x2.25"

    ND-210-400-115-300

    Internal Diameter
    36.1mm

  • Spring 350x2.25"

    ND-210-400-115-350

    Internal Diameter
    36.1mm

  • Spring 400x2.25"

    ND-210-400-115-400

    Internal Diameter
    36.1mm

  • Spring 450x2.25"

    ND-210-400-115-450

    Internal Diameter
    36.1mm

  • Spring 500x2.25"

    ND-210-400-115-500

    Internal Diameter
    36.1mm


SLS Coil Spring 2.50"


  • Spring 300x2.50"

    ND-210-400-110-300

    Internal Diameter
    36.1mm

  • Spring 350x2.50"

    ND-210-400-110-350

  • Spring 400x2.50"

    ND-210-400-110-400

    Internal Diameter
    36.1mm

  • Spring 450x2.50"

    ND-210-400-110-450

    Internal Diameter
    36.1mm

  • Spring 500x2.50"

    ND-210-400-110-500

    Internal Diameter
    36.1mm


SLS Coil Spring 3.0"


  • Spring 300x3.0"

    ND-210-400-105-300

    Internal Diameter
    36.1mm

  • Spring 350x3.0"

    ND-210-400-105-350

    Internal Diameter
    36.1mm

  • Spring 400x3.0"

    ND-210-400-105-400

    Internal Diameter
    36.1mm

  • Spring 450x3.0"

    ND-210-400-105-450

    Internal Diameter
    36.1mm

  • Spring 500x3.0"

    ND-210-400-105-500

    Internal Diameter
    36.1mm