Alfa Romeo Giulia/Stelvio 2.0L Spark plug set. Manufactured by NGK for all Alfa Romeo 2.0L Turbo Models. Set includes (4) Spark plugs. Recommended replacement at 25-30K miles. Save over the dealer! These are the identical set of NGK Spark plugs as the dealer carries ($99+ MSRP) FEATURES: Laser welded Iridium center electrode tip ensures high durability and greater spark Platinum disc welded to backside of ground electrode provides long life Longer insulator nose prevents fouling  Corrugated ribs on insulator prevents flash-over Triple gasket seal eliminates combustion gas leakage Faster starts and quicker acceleration Better fuel economy and lower emissions  Trivalent Metal Plating for superior anti-corrosion and anti-seizing Sold in sets of (4) Plugs come pre-gapped as courtesy (.025"-.026") Factory recommended Spark Plugs Suitable for Stock & EURO+DRIVE equipped Vehicles APPLICATIONS: (ALL) Alfa Romeo Giulia 2.0L (ALL) Alfa Romeo Stelvio 2.0L NOTES: .026" Factory Gap Suitable for mixed driving Spirited/Track/Commuting