Description
and wideband air/fuel ratio tracking into a single compact
75"" thick core and a total volume of 584 in3
Double bellows air springs
which produces an annoying whistle especially on modified vehicles
CP Replacement Piston Ring 99.75mm Subaru WRX / STI EJ257/EJ255 2004-2021 | RS1658-3927-0 vendor_Prosport and wideband air/fuel ratio trackingCP Piston Rings are sold in singles (1) only. Only for CP Pistons used on your Subaru WRX, STI, Forester XT, Outback XT, and Legacy GT. Only for one piston. Quantity 4 is required for a full set.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























