You must cut your headstay to install 00AL furling. You must also purchase a Harken® clevis pin to match your chainplate.
Clevis pin Ø 8 mm
Clevis pin Ø 5/16 in
Use with furling unit 00AL
**this pin works with the European built J/80s, and the American USWatercraft built J/80s.
**please use pin #HK1108 for the American made, TPI Marine built J/80s.