A Must-Have For Galano Software! Suitable for STANDARD RON98 applications from Stage 1 to Stage 3. Recommended service interval of 10-15,000kms Will Suit: OEM Part - 06K905601B NGK Platinum - SILFER8C7ES EA888.3 (2013-2020 VAG 2.0T & 1.8T Models) EA888.4 (2021+ VAG 2.0 & 1.8T Models) CZG/DAZ/DNW (2015+ RS3/TTRS/RSQ3) CRD/CWU/CEU/CTG/CGT/CTF (2011 - 2018 Audi C7 V8TT Models) CSP/BUJ/DMW (2015+ Audi & Lamborghini V10 Models) NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire iridium tipped center electrode and platinum tipped ground electrode improve ignitability, increase durability and enhance anti fouling capabilities. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.