Valve: Description and Operation
4 valves per cylinder are actuated by roller cam followers which pivot on stationary hydraulic lash adjusters. All valves have 6 mm diameter chrome plated valve stems. The valve sizes are
34.8 mm (1.370 inch) diameter intake valves and
30.5 mm (1.20 inch) diameter exhaust valves. Viton rubber valve stem seals are integral with the spring seats.
Valve springs, spring retainers, and locks are conventional.