For 1990-2009 cars

Engine | Spark Plug Type | Spark Plug Gap
--- | --- | ---
Notice: Allow the engine to cool down before removing the spark plugs. Removing the spark plugs from an engine at operating temperature may damage the spark plug threads in the aluminum cylinder head.. Replace the spark plugs every 144,000 km (90,000 mi) or 60 months.
1.8L | Denso Type SK16R11 | 1.0-1.1 mm (0.039-0.043 in) Maximum used spark plug gap: 1.2 mm (0.047 in)
NGK Type IFR5A11