EJ251 and EJ252 Subaru Engines
For the EJ251 and EJ252 engines, the four valves per cylinder were actuated by shim-less type buckets i.
Pistons The EJ251 and EJ252 engines had cast aluminium pistons.
For Australia, the EJ251 engine was first introduced in the in 1998 and subsequently offered in the , and.
Other features of the pistons included solid-type piston skirts, flat top combustion surfaces and reduced top land to cylinder clearance.