Designed and engineered in Australia
with over 65 years experience in clutch manufacturing.
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4Terrain Heavy Duty and 4Terrain Ultimate feature a Patented* ER²Groove Design pressure plate made from Spheroidal Graphite casting material with a yield strength some 300% higher than standard castings. The grooved design improves heat dispersion while also increasing the torque capacity.
Learn More![ultimate ER logo](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/ultimate-er.png)
4Terrain Ultimate features a two stage friction material clutch disc specifically engineered for off road driving. The pressure plate side has a full face of high grade organic friction material. While the flywheel side features a segmented Aramid material which is fade resistance and has a high coefficient of friction. This improves the heat dissipation while also increasing the torque capacitary.
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All 4terrain products engineered to the highest standard featuring:
![feature icon](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/feature-list/1.png)
Patented grooved pressure plate to increase torque capacity while aiding cooling
![feature icon](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/feature-list/2.png)
Anti-burst sg iron pressure plate, 300% stronger
![feature icon](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/feature-list/4.png)
Clutch disc run out specification <0/5MM for smooth engagement
![feature icon](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/feature-list/5.png)
Release bearings dynamically tested to 1,500,000 cycles at 1800c
![off-road logo](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/off-road.png)
Got more torque? 4Terrain clutch systems provide an average torque capacity increase of 40%.
Learn More![product image](https://www.4terrain.com.au/wp-content/themes/ci-4terrain/images/product-4.png)
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