MOOSE offers you spark plug caps designed with an internal ceramic resistor to limit electromagnetic interference and ensure a more stable, even spark, while offering a robust, watertight design that effectively protects against moisture, dust and the extreme conditions encountered off-road, guaranteeing enhanced reliability. They are made from resistant materials such as rubber or resin, ensuring excellent durability in the face of vibration and high temperatures, while being compatible with standard ignition cables for simple installation and helping to maintain constant engine performance by reducing the risk of ignition losses.