VT#: 10-8281

V-Thunder hy-rev hydraulic tappets limit plunger travel, to allow for higher RPM operation with the quiet and precision of hydraulics. V-Thunder Hy-Rev hydraulic tappet features a unique anti pump race retainer. Designed to replace the normal clip so as precisely limit travel of the plunger during operation, this allows the valve train to perform more like a mechanical stern allowing higher RPM operation with quiet and precision of hydraulics.

XL Sportster® 1991-1999 Evolution models