Stainless-steel calibration slide and spring assembly prevents corrosion within the fuel control body, which leads to an extended service life. Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel. High-temp Viton(R) O-rings enable prolonged sealing of injector under extreme heat conditions. Fiber-optic yttrium aluminum garnet YAG laser welding and 100 million cycle testing ensure quality in every box.