Grimmspeed Head Gasket Set [1.1mm] for Subaru 08-20 STI [EJ25B DAVCS] (124004) 40120 Compatible with factory narrowband O2

Compatible with factory narrowband O2 sensors (0-1V)

5 Turbo Description_ASM Front S8K FMSI D929 2003 thru 2005 SUBARU Impreza 2

machinery to complete the assembly and welding process in-house

Stainless-steel oxygen wideband UEGO AFR sensor bungs are sold as a four-pack (30-4008-4PK) and individually (30-4008)

GM9-SPSS kit features a Sport pressure plate for a nice upgrade

Grimmspeed Head Gasket Set [1.1mm] for Subaru 08-20 STI [EJ25B DAVCS] (124004) 40120 Compatible with factory narrowband O2GrimmSpeed has set the standard for quality when it comes to aftermarket replacement gaskets so its only natural that we should offer our fans the MOST important gaskets their car will ever need: Introducing The GrimmSpeed EJ25 and FA20 Head Gasket Sets! Feature packed, these gaskets are a perfect fit for any engine build, from basic refresh to a high horsepower track monster. The GrimmSpeed Head Gaskets feature a multi layer steel (MLS) construction,