The NGK SK20PR-L11 is a high-performance platinum spark plug designed for specific Honda Civic VIII Hatchback models. Featuring a 14mm thread diameter, 26.5mm thread reach, and a 16mm hex size, this resistor-type spark plug ensures optimal ignition and engine performance. Its platinum tip provides extended durability and consistent spark, contributing to improved fuel efficiency and reduced emissions. Confirmed fitment for Honda Civic VIII Hatchback (FN, FK) 1.4, 1.8, and 2.0 Type R engines.