12V Car Universal LED Digital Display Turbo Timer Turbine Protection Device Time Retarder( 2)-Fast Shipping

Description

1High useful turbo timer, helps to protect your turbo by cooling down after driving 2Greatly improving the combustion efficiency of the engine, save a certain amount of fuel consumption 3All 12V turbo car systems can be installed without damaging any computer circuits 4The voltage, oxygen content (O2) and air fuel ratio (A/F) can be displayed 5When matching S-AFC or V-AFC, the best oil supply curve can be adjusted according to A/F data