Gold zinc anodised

Larger diameter with soft tube grip is great for stability and easing vibration

Nano fiber technology 7

often causing the bypass valve to open allowing unfiltered oil to enter your engine

NGK - Iridium IX Spark Plug For Chevrolet, GMC (TR5IX) Option:TR5IX Gold zinc anodisedIridium IX Spark Plugs are the most technologically advanced high performance plugs available. Featuring a 0. 6 mm iridium center electrode tip, they offer superior ignitability without sacrificing durability. The tapered ground electrode increases flame kernel expansion, while the superior heat range design is ideally suited to the demands of high performance environments. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark