Rekluse CoreManual TorqDrive Clutch Honda CRF450R (09-12) | RMS-7114. Download Installation & User's GuideFitment: Honda CRF450R 2009 to 2012The best manual clutch available, period. Core Manual TorqDrive delivers unprecedented performance, tuning and durability. TorqDrive provides more disks in less space, allowing us to add up to 4 additional frictions disks over stock. More frictions = more torque capacity thus unlocking the full power of your engine- Rekluse CoreManual TorqDrive Clutch Honda CRF450R (09-12) | RMS-7114.