Big Block Chrysler engines are famous around the world for producing incredible horsepower and stump-ripping torque. A favorite of street and drag racers everywhere, Big Block Chrysler engines have been delivering superb street and track performance for everything from Darts and Challengers to Top Fuel dragsters ever since their introduction in the late 1950’s.   

The EFI experts at FAST™ have a wide variety of components to help you build the injected Mopar engine of your dreams. Whether your goal is to install a mild injected 383 or 440 into your street rod or off road vehicle, or to run a screaming, 16-injector big-inch Hemi using our race-winning XFI™ standalone EFI system, Fuel Air Spark Technology™ has got the technical assistance and products that can make it happen!