Part #: SUB-12033ab340
Subaru OEM Stock Size Piston Ring Set
Will Fit 2.5 WRX EJ255 & 2.5 STi EJ257 Warranty Disclaimer:Subaru of America will only warranty parts installed on a car that has a matching VIN to that part.
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.