Top spark plug for maximum performance, with iridium to platinum and ground electrode. r 7282 “short” ceramic allows even greater electrical conductivity, for optimal recovery and responsiveness of the engine. to be able to mount and use this candle is necessary code TRS1225 special cover Available in versions 105, 11 (warm temperatures) and 10 (moderate temperatures). A (base Ø) = 13.80 mm B (base length) = 19 mm C (ceramic length) = 15.50 mm The Top candle offers maximum performance thanks to the iridium present on the platinum and ground electrodes. The “short” R 7282 ceramic ensures superior electrical conductivity, thus promoting optimal engine recovery and responsiveness. To install and use this spark plug, code TRS1225 and a special cover are required. Available in versions 105, 11 (warm temperatures) and 10 (moderate temperatures).