Our S2000 motors are rebuilt from major to bottom with new Piston rings, most important & rod bearings. Head is machined & block is honed in advance of shipment. For that cylinder head It's really a accurate RBC cylinder head with the misplaced movement castings in place able to swap https://twin30369.bloggerswise.com/39681812/the-2-minute-rule-for-subaru-wrx-engines