NGK Standard Spark Plug Box of 10 (CMR7A) 2013-nissan-gt-r-esi1458484 The SR21 ultra-high friction compound

The SR21 ultra-high friction compound is specifically targeted for the front and rear of race cars with bias controls only

increasing the volume by 162-percent and the external fin surface area by 412-percent while retaining similar fluid pressures within the system

Skunk2 lowering springs should be paired with Skunk2 sport shocks and other suspension components

Universal in-line check valve

NGK Standard Spark Plug Box of 10 (CMR7A) 2013-nissan-gt-r-esi1458484 The SR21 ultra-high friction compoundNGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas