Grimmspeed Head Gasket Set [.78mm] for Subaru 08-20 STI [EJ25B DAVCS] (124003) 16140 15 WHP Increase (horsepower to

15 WHP Increase (horsepower to the wheels)*

No ECU software required

Aeromotive has the fuel system solution you've been looking for

The Bex-3000 3

The overall profile matches the spirt of the factory RS cover to give it an OEM+ look that doesn't appear gaudy or out of place

Grimmspeed Head Gasket Set [.78mm] for Subaru 08-20 STI [EJ25B DAVCS] (124003) 16140 15 WHP Increase (horsepower toGrimmSpeed 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,