Subaru OEM Piston Rings 100.00mm 08-21 STI | 12033AC020 vendor_Boost Controlled Performance High Quality 6AN Fittings

High Quality 6AN Fittings

Do not use stock hood struts (carbon fiber is lighter)

Not recommended for use with Carbon Fiber Hoods

aggressive tone under acceleration and is available in multiple finishes to match your engine bay

further reducing lift and increasing net downforce

Subaru OEM Piston Rings 100.00mm 08-21 STI | 12033AC020 vendor_Boost Controlled Performance High Quality 6AN FittingsProduct Fitment: 2008 2021 STI This is a replacement set of genuine Subaru OEM Piston Rings 100mm. 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.