2014 Jeep Grand Cherokee Programmers & Tuners

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using ...

Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, just like you...

Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, just like you...

Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, just like you...

For owners of fuel injected crate/transplant engines, FAST presents a solution to allow easy conversion to aftermarket EFI for late model GM and Chrysler engines. Kits are tailored to perfectly match the specific brand and model of crate engine being converted and include a FAST XFI 2.0 system, an X...

The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s a simple plug-and-play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for ...