08-09 SUZUKI GSX650F: EBC Clutch Springs Increase clutch engagement and clutch life without heavy clutch lever feel. EBC spring kits are 10&#37; stiffer than standard. High heat resistant wire will not lose tension. Sold in engine sets. NOTE: As stated in the general fitting / safety instructions, the clutch lever will feel slightly heavier when uprating springs, so be sure to take a test ride to acquaint oneself with the change in control.