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 XIM? Ignition Module, cable-driven 87mm high-flow throttle body, and all necessary plug and play wiring. Crate/Transplant Engine Fuel Injection Kit for Chrysler 6.1L and 6.4L Hemi Kit includes our 87mm high-flow throttle body.