MALOSSI MHR long base candle by DENSO U31 ETR competition (cold index)

Ideal for replacing a worn or out of working spark plug! Specially designed and developed by DENSO and marketed by MALOSSI MHR for your large displacement motorcycles with 4-stroke engines and other applications! Here is the spark plug DENSO U31 ETR (ET-R) high-end model racing in long base. Very solid and above all efficient, it will allow a much better performance of your engine however it will be necessary to install this type of spark plug on an engine healthy and well maintained to avoid any problem of premature wear of the candle. Without olive, this candle is equipped with a 5 kOhm resistance so be careful to use a resistive anti-parasite 5 kOhm to accompany it Special candle with two electrodes. The equivalent of NGK is CR10EK, CR8EK ...



Technical characteristics of this DENSO U31 ETR candle:

- Ø10mm cap (to be tightened with 16mm key)
-With 5kOhm resistance
-31: DENSO cold index (10 at NGK)
-Thread length 19.00mm (long base)
-2 ground electrodes with semi-surface effect

Installs original on 4-stroke engines:

- Large displacement motorcycles