NGK R7438 Racing Spark Plug 1.8T · 2.0T [GEN 3]

For many years NGK Spark Plugs have been firing racing engines throughout the world and has become an icon in the spark plug industry.  Every Racing NGK Spark Plug is engineered to withstand severe mechanical and thermal shock associated with high-revving, high-compression engines. SOLD INDIVIDUALLY Features: Hex Size: 5/8" Insulator Height: ISO Manufacturer Heat Range: 8 / 9 Reach: 26.5mm Thread Diameter: 14mm Center Electrode Tip Material: Iridium Gap Size: 0.028in What's Included: NGK R7438 Racing Spark Plugs (sold individually)