This set of 4 APR Iridium Pro spark plugs is an excellent choice for tuned 2.0 TFSI EA888.3 and EA888.4 engines in vehicles like the Golf 7 R, Golf 8 GTI, S3 8V / 8Y, Leon 3 Cupra, Octavia vRS, and TT mk3. Crafted from Iridium, these spark plugs ensure superior resistance to temperature and pressure..