Clutch Masters 725 Series Single Disk Clutch Kit for K20 Honda Civic and Acura RSX 5/6 Speed With Flywheel
Even with basic bolt on mods the K20 in your 5/6sp Honda Civic SI or Acura RSX will produce close to 200HP. At this power level the stock clutch becomes incapable of supporting the upgrades and more aggressive driving from track days. The 725 single disk clutch kit for the K20 offer a significant increase in holding capacity over factory clutch and is a must have to put the power to the ground for any track ready K20 or K24 using a 5/6sp transmission/flywheel, while also shaving rotating mass from your engine!
This 725 series kit is a 7.25″ (184mm) single disc clutch. By machining the strongest cover possible while maintaining minimal weight, Clutch Masters was basically able to eliminate any flex in the cover. The billet covers see only .003″ of flex where as a cast or stamped unit can see as much as .030″ of flex. By eliminating this flex in the cover, the driver is able to operate the clutch much more consistently and confidently. The strength of the covers also results in greater clamping force over the same amount of area vs a cast or stamped cover. This means the twin discs are easy to drive and have superior clamping force to make sure all the power your engine is making is being utilized.
What makes the 725 kits truly special, and a feature unique to Clutch Masters is the QR System, or Quick Release Pressure Plate. The QR System Incorporates three spring-loaded bolts allowing the pressure plate to engage and disengage evenly and smoothly while reducing internal clutch noise/chatter by up to 50%. The QR System was developed to provide quiet and smooth operation for the user while delivering the performance a race clutch needs.
- Hard Anodized Aluminum Cover Assembly with attached Diaphragm
- Pressure Plate Ring
- Single Ceramic Rigid Disc
- Billet Steel Flywheel
- Release Bearing
- Pilot Bearing
- Pressure Plate Bolts
Flywheels are made for each specific application in steel. Steel flywheels are machined from 1045 billet cores and are then black oxide treated for rust prevention and meet SFI spec 1.2 for competition in NHRA, NDRA, IDRC, IHRA, SCCA and NASA.
This kit is specifically designed for the serious drag racing with very significant modifications to their K20 Civic or RSX 5/6 speed, and most importantly one of our infamous Brewed tunes.
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