Grimmspeed Head Gasket Set [1.1mm] for Subaru 08-20 STI [EJ25B DAVCS] (124004) 40120 Increase valvetrain control

Increase valvetrain control

machinery to complete the assembly and welding process in-house

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

Headache-Free Install: Plug-and-play design makes turbo swaps easy

Grimmspeed Head Gasket Set [1.1mm] for Subaru 08-20 STI [EJ25B DAVCS] (124004) 40120 Increase valvetrain controlGrimmSpeed 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,