The ACV 271320-12 adapter rings allow precise installation of 165 mm (6.5 inch) aftermarket speakers into factory mounting points without modification. They accept standard 165 mm speaker sizes and provide a stable mounting platform for aftermarket speakers.

Manufactured from durable ABS plastic, these rings preserve the OEM interior look while ensuring a secure fit. They are designed for use in front or rear door positions depending on the vehicle model and are intended to facilitate audio upgrades while maintaining factory-style finish and mounting locations.