Hydro Clutch - Sportster Hydraulic Clutch Assembly KIT for 1971 - 1984 Harley Davidson Ironhead - Maintenance FREE - Self Adjusting - CNC Machined 6061 Billet Aluminum - LIFETIME WARRANTY - Custom Chopper Bobber HD

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Machinist Mike's Hydro Clutch is back by popular demand!


This unit replaces the terrible ramp and ball release mechanism on 1971-1984 Harley Davidson Ironheads. 


No more fade, pour engagement and clutch chatter...


***Kits with Banjo Bolts, Fittings, High Pressure Lines and Clutch Master Cylinders also available***


Hydro Clutch Unit:

• Billet Aluminum Body -  CNC Machined 6061 Aluminum Body.

Plunger - 303 Stainless Steel.

• Easy Installation - Simply thread the Hydro Clutch into the clutch adjustment hole and plumb to a master cylinder with an 11/16" bore.

• Completely Maintenance FREE!

• After the initial installation, the Hydro Clutch is Self-Adjusting.

• Designed and fabricated in the USA by Machinist Mike.

• Complete Kits with Banjo Bolts, Fittings, High Pressure Lines and Clutch Master Cylinder also available.

• The Hydro Clutch is also available Anodized Black.




Available Install Kit: (Add $60)

Comes with the following parts:

• CHROME 3/8-24 Banjo Bolt with 2 Copper Crush Washers.

• CHROME 3/8" Banjo Fitting with Reusable End (Ferrule Included).

• 8' Length of 3/16" OD High Pressure Semi-Rigid Nylon Tubing.


Available Clutch Master Cylinder: (Add $180)

• Beautiful Polished Chrome finish.

• OEM Style found on 1996-2006 Big Twins.

• 11/16" Bore.

• Comes with a CHROME Straight or 90 Degree Banjo Fitting and Banjo Bolt.

• Purchase with our Install Kit and you'll have everything you need to plumb a Hydro Clutch to your Ironhead.




Height                    -           1.75"

Width                     -           1.75       



Height                    -           1.55"

Width                     -           1.75



1971 - 1984 Harley Davidson Ironheads

4 Reviews Hide Reviews Show Reviews

  • 5
    Great product but flimsy Semi-Rigid Nylon Tubing.

    Posted by H. Hansen on 21st Aug 2018

    Great looking product. Feels very well built. Great looking product. Feels very well built. Only disappointing thing was the 3/16" OD High Pressure Semi-Rigid Nylon Tubing. It seems very thin and flimsy.

  • 5
    Very cool piece!

    Posted by Chris Stewart on 10th Aug 2018

    Installed their hydraulic clutch set up on my 1975 Ironhead. Very cool piece!!!

  • 5
    Never fails!

    Posted by Brian D on 18th Jul 2018

    The Hydro Clutch is a fantastic solution to the crappy mechanicals in my ‘83 Ironhead.

  • 5
    Best upgrade you can make to your ironhead!!!

    Posted by Ivan RoachCoach on 6th Apr 2016

    I purchased one of these a few years back when Machinist Mike first developed them & it hasn't failed me yet --- even considering my unorthodox & brutal riding style.
    No more missed shifts, no "creeping" while in gear at stoplights & no messing with it EVER after it's installed & properly bled like you would a disc brake system.
    This is THE VERY BEST upgrade you can make to your beloved ironhead to bring it into the 21st century with modern technology. AAA+++