【Effective & Smooth】-- This car grounding kit can improve the starting performance of the bicycle and make the car start faster and smoothier. It can also enhance the spark plug firepower and effectively enhance the engine horsepower. Improve power generation and charging efficiency and extend battery life
【Energy-saving & Safe】-- This grounding wire kit can greatly improve engine combustion efficiency, save fuel, and be economical and practical. It also improves the brightness of the headlights and makes driving safer at night