Exedy 2004-2014 Subaru Impreza WRX STI H4 Hyper Single Clutch Sprung Center Disc Pull Type Exedy

The EXEDY Hyper Single Series clutch is engineered to optimize the performance of cars that are moderately modified. Similar to our multi-plate clutches, it has a purple anodized, forged aluminum cover and maintains the pedal efforts at a reasonable level. Additionally, the pressure plate features a series of turbine-like vanes that keep the clutch cooler under extreme operating conditions. Hyper Single clutches come with a chromoly steel flywheel and a 6-puck cerametallic, sprung center damper disc assembly. However, on select vehicles, the new VF (Various Friction) disc may be offered. The chromoly flywheel is lighter than OEM for improved engine response. The disc is generally smaller and thinner than the OEM disc making for lower inertia and therefore quicker, easier shifting and less wear and tear on the transmission synchros. The higher clamp load and cerametallic friction facings give approximately twice the holding torque of the OEM clutch and higher than other single disc clutches. 6-Puck Cerametallic Disc: High friction coefficient, low wear, and a special heat resistant material [T5001] has been applied to enable the clutch size to be reduced which in turn lowers mass inertia and improves shift responses for faster gear. Durability is improved with the use of a stronger, smaller damper disc, designed especially for the Hyper Single clutch. VF (Various Friction) Disc: The VF enables the driver to operate the clutch through an easy-to-feel half engagement thanks to the Ultra Fiber friction material all while having a high heat dissipation and torque capacity due to the integrated metal facing. Furthermore, pedal effort has been drastically reduced and improved by the re-engineering and re-designing of the engagement point with newly developed cushioning plates. All EXEDY Racing Hyper Single Series Clutch Kits carry SFI 1.1 Certification. Which means, when you buy these products, you can be confident they are certified for use in competitive motorsports.

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