The Zenoah G23 G231 G26 Electronic Ignition Conversion Kit is designed specifically for 2-stroke gas engines used in RC aircraft, such as airplanes and helicopters. This kit, compatible with Zenoah engines, provides reliable electronic ignition for improved performance. Suitable for advanced hobbyists aged 17 years and up, this conversion kit is compatible with a 1:6 and 1:8 scale aircraft, offering a seamless upgrade for those looking to enhance their big block displacement engines.