Each head is fixtured into a centroid 5 axis cnc machine. Cosworth subaru big valve cnc cylinder heads are recommended for 25l dohc ej25 sti engines with variable valve timing vvt only.
Cylinder Head Design Selection For Engine Builds
Best flowing subaru heads. They will match the flow of any other subaru head and you avoid compatibility issues. Cylinder head gasket by fel pro. These modifications will increase airflow up to500 550 lift. 85 88 subaru 18l o4 dual port w tube turbo cylinder head right. These heads use a different means of camshaft lubrication and may not. All machining for the wrx and sti engines takes place at out westminster maryland facility.
85 88 subaru 18l o4 dual port wo tube turbo cylinder head left. Stick to the na heads. Cnc super prepped heads have fully cnc machined combustion chambers to increase air flow around the intake valve and a propietary valve job deep bowl blending and a deep port match at the port mouth. Subaru cylinder head info specs. Our cylinder heads are not compatible with a standard wrx or non vvt type engine system. 04 subaru 22l l4 cylinder head.
Subaru cylinder head upgrades admin 2019 04 29t004738 0400 high performance porting valve guide upgrades spring upgrades valve jobs more for subaru ohc ej20 25 dohc cylinder heads whether youre running a road race drag race or street race headgames can put a reliable head and cam package together for you. Our latest cnc program has matched or bettered flow results and performance of every ported cylinder head that we have tested. With the same port work cams etc. If you need durable gaskets to prevent leaks on your vehicle fel pro is the way to go. Cylinder head flow bench. The heads are used in subarus producing 400hp to over 1000hp.
Iag performance provides subaru engine machining services for ej25 ej20 and fa20 short blocks cases and cylinder heads. Our cnc porting program centers around the subaru ej25 v w and d series cylinder heads. Engineered using the latest technologies and global engineering resources the gaskets meet specific oem needs and. Factory 20l turbo powertrain ej series factory 20l turbo 3.
Gallery of Best Flowing Subaru Heads
