Description: 【Conversion】: The 1146A Ignition Conversion Kits allows for a transition from point type distributor to breakerless electronic ignition. 【Efficiency】: The ignition points to electronic conversion set includes an electronic switch module that installs on the distributor shaft for high performance efficiency. 【Material】: Made from premium metal materials, this ignition conversion set is long term and resistant to burning, pitting, and wear from moving or friction parts. 【Features】:A 2:1 improvement over point type systems in a current fall time for increased coil output 【Product Size】: With dimensions of 11cmx8cmx5cm, this ignition conversion kits is easy to install and an ideal choice for those looking to upgrade their vehicle's ignition system. Specification: Material:Metal Size Chart: 11cmx8cmx5cm/4.33inchx3.15inchx1.97inch Package Includes: 1 Ignitor Conversion Set Note: Please allow slightly errors due to manual measurement and different monitors.