A system designed to switch the unique powerplant in a particular mannequin of a full-size sedan with an alternate, usually higher-performance, engine. These techniques generally embrace vital mounting {hardware}, wiring harnesses, and doubtlessly modified driveline elements to facilitate the set up course of. As an illustration, a package would possibly enable changing the manufacturing unit V6 with a extra highly effective V8 engine.
The utilization of those techniques affords a pathway to considerably improve car efficiency past the manufacturing unit specs. Traditionally, these modifications supplied a method to modernize older autos or customise them to fulfill particular efficiency targets. This strategy can breathe new life into an present car, avoiding the associated fee related to buying a very new automotive.