Cylinder Head

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Warpage (mating surface with cylinder block)	mm (in)		Limit	0.020 (0.0008)
Grinding limit		mm (in)		98.45 (3.8760) or less
Height	mm (in)		Standard	98.5 (3.8779)