TURBO MONKEYS Subaru Specialists. Subaru Impreza WRX STI JDM BIG PORT CYLINDER HEADS. These are the holy grail of cylinder heads for a subaru wanting big power. Designed for the 2.0 twin scroll Spec C and JDM STI but will go on any project with a 2.0 without any modifications, AVCS will need wiring in for the cams to lift though on either a newage sti ecu or custom ecu depending on application and year. NO CRACKS OR ISSUES AT ALL. Ready to bolt on, everything included (apart from plastic cam covers which i can supply please see other items). You get the complete big port cylinder heads, cams, covers, pulleys, everything you see in the pictures. Has been in a perfect running blobeye wagon for the last 10,000 miles with no issues making 360bhp on a vf48 turbo happily and reliably. No smoke, no unusual noises, no oil usage. Item location BR8 Bottom shelf. We will then do our best to resolve the problem, if we cant then please return the item in the same condition the item was sent in. The item “Subaru Impreza JDM WRX STI BIG PORT AVCS Cylinder heads, perfect, no cracks” is in sale since Thursday, September 10, 2020. This item is in the category “Vehicle Parts & Accessories\Car Parts\Other Car Parts”. The seller is “turbomonkeyshop” and is located in Boston. This item can be shipped to all countries in Europe.