OHV valve train with hydraulic roller tappet, pushrod and rocker arm.

Hydraulic roller tappet

• Optionally with special internal oil feed system (labyrinth design)
• Improved emergency running characteristics even for less than optimum oil supply
• Automatic adjustment of valve lash

Rocker arm and rocker arm bearing mounting

• Supplied as ready-to-fit unit comprising lever and lever bearing arrangement
• Rocker arm supported by needle roller bearing on rocker arm bearing mounting
• Low-friction swivel motion