4Terrain Heavy Duty

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4Terrain Heavy Duty is a tough, no-nonsense clutch upgrade designed for hardworking vehicles. Engineered to handle high torque loads it leaves standard specification clutches behind.

The system has been engineered for the following uses that need higher than original torque capacity:

  • Towing
  • High weight loads
  • Trade/commercial use

4Terrain Heavy Duty delivers an increase in torque capacity through the patented ER2 heavy duty cover assembly. This system features an increased clamp load of on average 20% higher than OE. The system also gains torque capacity from the Spheroidal Graphite Iron (SG Iron) ER2 grooved pressure plate. This groove has been specifically designed to increase the Mean Effective Radius of the pressure plate and assist in heat removal. The increase in the Mean Effective Radius of the cover.

The 4Terrain Heavy Duty Clutch system is built to endure the rugged demands of workhorse vehicles. It’s a logical choice for anyone who demands relentless reliability.

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