1.45mm Metal Head Gasket

The Cosworth head gasket is a metal gasket engineered with a thickness of 1.45mm, featuring a folded stopper layer. This design ensures superior clamping force around each cylinder, promoting a reliable seal between the cylinder head and the engine block. The gasket's construction is intended for performance applications, offering durability and effective sealing under demanding conditions. This specific gasket, part number 20057215, is designed for the FA20 engine and is compatible with Subaru BRZ models from 2012 onwards and Toyota GT86 models from 2012 onwards. It is also noted for fitment on 2015-2018 Subaru WRX models. Some sources indicate it may be available as a set for both left and right sides, with 20057216 being the corresponding right-hand part number in some listings.