Please note that this article considers the FA20E and FA20F engines as they are supplied in Australian-delivered vehicles.
Intake The FA20E and FA20F engines had a plastic intake manifold.
Garrett MGT2259S turbocharger Both the FA20E and FA20F engines were fitted with a twin-scroll Garrett MGT2259S turbocharger which, according to Subaru, was positioned under the engine for faster warm-up of the catalytic converter, better throttle response and a more compact exhaust system.
For the FA20F engine, it is understood that the ignition coil connector had a locking mechanism for greater reliability.
Please note that this article considers the EJ251 and EJ252 engines as they were supplied in Australian-delivered vehicles; specifications for other markets may vary.
The covers by Frederick Blakeslee are notable for their fidelity to planes flown in World War I.
Like other EJ Phase II engines, the crankshaft thrust bearing was positioned at the rear of the crankshaft to reduce the transfer of natural engine frequencies to the transmission and driveline.
The iridium-tipped spark plug caps, which provided contact to the spark plugs, were integrated with the ignition coil assembly.