Grimmspeed Head Gasket Set [1.5mm] for Subaru 08-20 STI [EJ25B DAVCS] (124005) 1651 Increase Horsepower to 480-520HP (Flywheel)

Increase Horsepower to 480-520HP (Flywheel) - typical output approximately 400WHP (380-450whp range)

The handcrafted AWE Q5 3

the Touring Edition Exhaust boasts AWE's proprietary drone-canceling solution

ST1-HDG6 kit features ACT's most popular Heavy Duty pressure plate

Grimmspeed Head Gasket Set [1.5mm] for Subaru 08-20 STI [EJ25B DAVCS] (124005) 1651 Increase Horsepower to 480-520HP (Flywheel)GrimmSpeed 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,