Check the listing for details. EBC EBC CLUTCH SPRING KIT CSK177. Color: NA, Condition: New. Listed at 28.14 USD. Up for sale is EBC CLUTCH SPRING KIT. The Manufacturer part number is CSK177. Please read title to know what you are getting. Here is the catalog description�EBC CSK Clutch Springs Sold as a kit New EBC CSK clutch springs prevent damage from prolonged exposure to heat and wear. They are OEM upgrades and are 10 percent stiffer than stock. The lever will be slightly stiffer which can wear your hand out riding in heavy traffic, but in return the clutch engages smoother and faster with the stiffer springs making takeoff smooth and shifting faster and less effort to speed shift. EBC CSK Clutch Springs Sold as a kit New EBC CSK clutch springs prevent damage from prolonged exposure to heat and wear. They are OEM upgrades and are 10 percent stiffer than stock. The lever will be slightly stiffer which can wear your hand out riding in heavy traffic, but in return the clutch engages smoother and faster with the stiffer springs making takeoff smooth and shifting faster and less effort to speed shift.