Subaru OEM Standard A Piston Subaru WRX / STI EJ257 Engine 2004-2021

Part #: SUB-12006AC390. This is a genuine Subaru OEM Standard A Piston for the EJ257 STI engine. Price is per piston. Warranty note: Subaru of America only warrants parts installed on a car with a matching VIN and by a CERTIFIED Subaru Dealership. Use your best judgment when installing parts to avoid warranty issues.

How to use: These pistons are designed to fit the Subaru EJ257 STI engine from 2004 - 2021. Make sure to have them installed by a certified Subaru dealership to keep the warranty valid. Attention: Only use these pistons on a vehicle with a matching VIN. If you install them at an uncertified place or on a non - matching VIN vehicle, you might not be able to claim the warranty. Maintenance: Regularly check your engine performance. If you notice any unusual noises or problems, have your engine inspected by a professional as soon as possible.