Subaru 2009 IMPREZA Service Manual page 314

Piston
MECHANICAL
24.Piston
A: SPECIFICATION
Refer to "Cylinder Block" for removal and installa-
tion procedures of pistons. <Ref. to ME(H4SO)-72,
REMOVAL, Cylinder Block.> <Ref. to ME(H4SO)-
76, INSTALLATION, Cylinder Block.>
ME(H4SO)-96