Engine Components

Engine
The 3.9L and 4.2L engines have:
^ a V-block with 6 cylinders and splayed crankpins.
^ a distributorless ignition system.
^ a multiport, sequential fuel injection (SFI) system.
^ a variable-length induction system (intake manifold runner control).
^ overhead valves.
^ hydraulic valve tappets for automatic lash adjustment.
^ connecting rod parting faces that are unique with an interference fit.
^ an engine dynamic balance shaft.