V-Twin 18-0120 - Hydraulic Primary Chain Tensioner

York chain tensioner features a hydraulic valve which controls the motion of the submerged piston which constantly keeps the chain in tension.
This chain tensioner improves shifting performance reduces noise extends primary chain life and reduces vibrations caused by the primary chain. Tensioner is designed to automatically self adjust the primary chain tension even during acceleration and deacceleration.
Fits Vtwins:
FL 1965-1984
FX 1971-1984
FXST 1984-2006
FLST 1986-2006
FLT 1984-2005
FXR 1984-1994
FXD 1991-2005