Subaru OEM Engine Expansion Plug | 11021AA020 Wheel Bolt Pattern_5x115 especially when aftermarket turbo and

especially when aftermarket turbo and supercharger kits are installed

ACT's SB8-XTG6 kit features a sprung

Part #: 207-5401

(per each single purchase)

Subaru OEM Engine Expansion Plug | 11021AA020 Wheel Bolt Pattern_5x115 especially when aftermarket turbo andPart #: SUB 11021AA020 Plug that prevents the engine block or cylinder head from cracking in case of freezing coolant. Also used to plug the casting holes from production. Gasket not included, part number is 803928010. 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