Subaru OEM 2.5L Bare Cylinder Head Right Side Subaru STI 2011-2018 | 11039AC320 Vehicle Model_Focus RS The Turbo XS 4-Bolt 3-inch

The Turbo XS 4-Bolt 3-inch Gasket for this exhaust is available to purchase separately

Max Low (mm): -55

The added down force stabilizes the cars chassis during hard cornering and increases traction for faster lap times

35 oz (40 ml)

Subaru OEM 2.5L Bare Cylinder Head Right Side Subaru STI 2011-2018 | 11039AC320 Vehicle Model_Focus RS The Turbo XS 4-Bolt 3-inchThese are brand new, blank OEM EJ257 B25 V25 W25 Heads straight from Subaru. Repairing an engine failure? Building an engine from scratch with your own internals and valvetrain? This is a great option for you, since Subaru no longer offers fully assembled heads as a single part number. These do not contain valves, retainers, springs, cams, seals, gaskets, etc. This is just the blank head casings as pictured. Warranty Disclaimer: Subaru of America will