CI Heavy Duty (HD) clutch system is a tough, no-nonsense clutch upgrade. Engineered to handle loads of torque, it leaves standard specification clutches behind. The HD clutch is built to endure the rugged demands of workhorse vehicles. A logical choice for those who demand relentless reliability. The HD clutch system is ideal for vehicles involved in activities that subject standard clutches to higher than usual loads. It is equally comfortable navigating congested city streets.

Got a performance vehicle or OE spec not holding up? You’ll need a performance upgrade. PHC Heavy Duty has upgrade options for 4X4’s and passenger vehicles.

With increased clamp load and premium fiction material (including ceramic options) PHC Heavy Duty provides a reduction in ‘slip’ while simultaneously increasing the delivery of power over a wider horsepower range. They provide drivers with a powerful next level upgrade to an Original Equipment replacement clutch kit.