Valve: Description and Operation
INTAKE/EXHAUST VALVES & SEATSDESCRIPTION
The four valves per cylinder are opened by using roller rocker arms with hydraulic lash adjusters which pivot on the rocker shafts. The valves have chrome plated valve stems. Viton rubber valve stem seals are integral with the spring seats.
The valve springs, spring retainers, and locks are 3-bead design.