You are losing horsepower and torque without Dewla Deisgns new Grounding Kits for the 300ZX. Today’s engine management systems utilize hundreds of sensors and in some cases over 12 onboard computers that constantly monitor all parameters of the engine and powertrain. Installing Dewla Designs Grounding Kit ensures that sensors and computers are not affected by power surges that can drain performance. These kits were specifically engineered for 300ZX. This ensures that all wire diameters are optimal for amperage and current travel distance.