Trask Hydraulic Clutch Actuator For Harley 6 Speed Transmission Designed for all six speed Harleys, this billet cover is used to switch to a hydraulic clutch system or to get a custom look to your existing setup. Machined from T-6061 billet aluminum. Includes an upgraded heavy-duty replacement throw-out bearing kit which is a must for big motors with a heavier clutch pull. Features: Available in black or chrome Made in the USA Note: Requires hydraulic hand controls with a 11/16 bore master cylinder as well as hydraulic lines that are sold separately.