NGK IRIDIUM IX SPARK PLUGS x 4 FIT AUDI TT 1.8 TFSI 2009 - 2015 - HEAT GRADE 8
Audi TT 1.8 Turbo TFSI, 3/2009 - 6/2015. Genuine NGK Iridium IX Spark Plugs. - Fine Iridium tip ensures high durability and a consistently stable spark. (Heat Grade 8) Set of 4. - Heat grade 8 for tuned engines requiring a cooler plug type.