Perrin Boost Control Solenoid Cover Neon Yellow Subaru STI 2008-2021 | PSP-ENG-161NY FocusST_2013-2018 there are no changes to

there are no changes to the ringlands in position or thickness

The puck design disc reduces rotational mass and total drive surface area while increasing pounds per square inch on the surface of the friction material

Part #: HD0809INFG374D-OE

Note: Must be used with ACT flywheel and disc

Perrin Boost Control Solenoid Cover Neon Yellow Subaru STI 2008-2021 | PSP-ENG-161NY FocusST_2013-2018 there are no changes toFitment Information: 2008 2021 Subaru STI Features: Material 5052 Plate Aluminum Finish Glossy Neon Yellow Powder Coat Corrosion Resistant Perfect Fit Easy Installation Installation Instructions 5 Year Warranty Included: (1) Boost Solenoid cover All necessary hardware for installation Warranty & Instructions Replace your ugly, corroded, steel boost solenoid cover on your 2008 2021 STI with a PERRIN Boost Solenoid Cover.