Subaru OEM Head Gasket for 2019-2021 STi & 2018 RA (11044AA910) CALIFORNIA Zinc install hardware is included

Zinc install hardware is included to prevent rusting

Genuine OEM Mitsubishi factory replacement fourth gear synchronizer ring for Evo 8/9 MR 6-speed manual transmission

We have put this intake through hundreds of miles of road testing and countless dyno runs to ensure repeatable and reliable max gains of 12 hp and 15 ft-lb of torque (more details below in our engineering blog)

063" (408 mm)

Subaru OEM Head Gasket for 2019-2021 STi & 2018 RA (11044AA910) CALIFORNIA Zinc install hardware is includedGenuine OEM Subaru factory replacement head gasket for 2018 Type RA and all 2019 2021 STi models. The same gasket is used on both sides. Sold individually as needed, price is for one gasket. Vehicle Fitment: 2018 Subaru STi Type RA 2019 2021 Subaru STi Purchase Includes: (1) Gasket Part Number: Alternates: 11044AA910 Diagram images are for reference and may not represent your exact model. As always, please do additional research with your VIN to