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Off-Road Coil-Over Springs

Coil-Over Springs are high-performance, aftermarket suspension springs often used for motorsports, racing, and off-road applications. Hyperco’s coil-over springs, also known as Hypercoils™, offer a wide range of free lengths and rates which provide the suspension designer latitude in creating a motion ratio for the suspension system that will permit an optimized damper or spring assembly to control a wide range of wheel travel.

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Shop Coil-Over Springs

Key Benefits of Hypercoils Coil-Over Springs

  • More usable deflection
  • Less weight than standard suspension springs
  • 2% rate linearity tolerance from 20% to 60% of deflection
  • 4% rate linearity tolerance from 61% to 80% of deflection
  • More resistant to bowing and side-loading
  • Designed to fit all standard hardware
  • Maintain free length and rate throughout a near-infinite operational life



  • Free length range: 4” to 16”
  • Spring rates: 85#/in to 1300#/in
  • Material: High tensile chrome silicone
  • Finish: Hyperco dark blue powder coat
  • Spring Design(s): Optimum Body Diameter (OBD), Ultra High Travel (UHT), Dual Rate UHT
    Note: Some 4″ and 6″ free lengths use a more traditional spring design as there are not enough active coils to allow an OBD design.


  • Motorsports: Circle Track and Sports Car Racing*
  • Street Performance: Lighter weight sports cars where handling is important
  • Off-Road: Motorcycles, Quads, Dune Buggies, etc.

*- The most popular spring size used in motorsports applications

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