1.How to Select the Right Car Speaker Rings
Check the vehicle owner's manual: The speaker size is sometimes listed in the audio system or specifications section.
Online Lookup: Visit well-known North American car audio accessory websites, enter your vehicle details - year, make, model, trim level. The site will precisely list your factory speaker dimensions and recommend perfectly matching speakers and installation accessories.
Manual measurement: Remove the door panel and directly measure the diameter of the factory speaker basket and the mounting hole spacing.
2.Vehicle 6.5 Inch Hollow Speaker Adapter Parameters
Outside Diameter: 178mm - 7.01 inches
Inside Diameter: 147mm - 5.79 inches
Height: 14mm - 0.55 inches
3.How to Install
Screw the car speaker to the plastic adapter ring and screw it back on car's door or other mounting places that you need.
If you want a better sound effect, please purchase the extra speaker foam rings to seal.
4.What's in Package
4 x Car Speaker Spacer Adapters