The Mopar 345 Crate HEMI® Engine Kit for the 5.7-liter engine and Mopar 392 Crate HEMI Engine Kit for the 6.4-liter HEMI® were announced during a press event at the Specialty Equipment Market Association (SEMA) Show in Las Vegas. The kits provide enthusiasts a factory-backed, efficient option for plugging modern Mopar HEMI engine power into vehicles from the 1970s and earlier.