Hypertech 4072 Power Coil Performance Ignition Coil for 96-02 V8 GM Truck 96 Vette Higher than stock voltages provide increased spark energy Capable of firing a street or slightly modified engine up to 7000 RPM with no drop-off in power as RPM increases Accommodates wider plug gaps for fatter sparks Improved sparking allows for better fuel burn and increased power Hypertech accessories are backed by the manufacturer with a 1 year limited warranty