Hi-Gear

Hi-Gear Products, Inc. is a Charlotte, NC-based automotive chemical manufacturer that sells fuel additives, engine treatments, and maintenance sprays primarily through mass-market retail and online channels. Their ProPower sub-line covers aerosol maintenance products including throttle body cleaners, fuel injector cleaners, and starting fluid. The brand occupies the value tier of the market and is distributed internationally through partners including UK distributor Engine Revive.