The Z-Bomb Honda is a Timing Retard Calibrator that maximizes engine performance for up to a 7 HP gain over stock. That's a pretty impressive power boost for the price. The simple, plug in unit installs in minutes with just a screwdriver and a 5mm hex key. The Z-Bomb integrates perfectly with all the Z-Fi EMS products as well as other aftermarket tuning units. [Part No. ZBOMB404]

• Gains 5-7 HP over stock
• Only $149.95
• Plugs in-line with TPS (Throttle Position Sensor)
• Easy to Install with just a screwdriver and a 5mm hex key

The dyno graph below clearly shows the significant power gain over a 2,000 RPM range: