Subaru OEM Control Arm Stud Bolt WRX / STI 2008-2010 | 901370009 Z_2023-2025 Proven to Keep Performance-Robbing Heat

Proven to Keep Performance-Robbing Heat Away From Your Intercooler

low tension oil rings

and 2" dual piping which promotes better low end torque

Mark these holes and remove the wing

Subaru OEM Control Arm Stud Bolt WRX / STI 2008-2010 | 901370009 Z_2023-2025 Proven to Keep Performance-Robbing HeatProduct Fitment: 2008 2010 Subaru WRX 2008 2010 Subaru STI 901370009 Bolt Stud M14 is Part Code M370009 in the diagram Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends shop, do not expect a warranty claim to come through if it explodes! Please use your best judgement.