HHP has done it again. We have put together a nitrous kit for the HEMI cars, including the 300, Charger, and Magnum with either the 5.7L or 6.1L engine. Our kit includes the following: ZEX Nitrous Kit - includes everything to install your nitrous system, as well as the controller and fuel/nitrous jets. ZEX Racer Kit - includes bottle heater, purge kit, bottle gauge and blow-down tube NGK (2315) Spark Plugs for non-VVT 5.7L 6.1L and 6.4L - colder plugs are a must when running nitrous!
(6619) Spark Plugs for 2009+ VVT 5.7L
Safely add 75 - 125 horsepower to 2005 and newer Chrysler/Dodge Hemi applications. Chryslers late model Hemi electronic fuel injected engines are the perfect platform for nitrous injection upgrades. The ZEX Hemi Nitrous System includes all of the parts needed to add anywhere from 75 to 125 more horsepower to your Hemi engine that utilizes the factory fuel injection systems. The ZEX Hemi Nitrous System comes pre-assembled, making for a simple plug and play installation. For the ultimate in safety, the ZEX Hemi Nitrous System includes Active Fuel Control to monitor nitrous bottle pressure and adjust the engines fuel enrichment setting so its never too rich or too lean. The ZEX-patented electronic TPS switch uses the engines throttle position sensor to electronically activate the nitrous only at wide-open throttle for optimum performance. Designed to work safely on stock type engines, but also engineered to perform flawlessly on highly modified turbocharged and supercharged combination's. Availability: In Stock. All Nitrous systems carry with them a 72 hour shipping delay due to special shipping requirements. CAUTIONS: Running Nitrous is never 100% safe for your motor. To increase your safety running nitrous, HHP recommends that you follow these rules: 75 Shot: Run Stock Timing 100 Shot: Retard Timing 4 degrees from Stock 125 Shot: Retard Timing 6 degrees from Stock