Speaker adaptor kits are need when replacing the original factory fitted speakers with aftermarket speakers. Speaker adaptor kits are designed to allow you to fit any aftermarket speakers into your vehicle.  They are easy to fit and will eliminate any rattles as well as ensuring that they fit securely.

They come pre-drilled with fitment holes to affix them to the mounting surface, allowing a solid fit and smaller holes to allow easy fitment of the speaker.

Universal speaker adaptors give you even more speaker fitting options.

Also Ideal for rear parcel shelf, door pods/cards, caravans or boat use.

 Product Features:

• Allows speaker size 4" (100MM)
• Supplied in Pairs

The bottom outside diameter is 152mm and top is 130mm. Hole cut out is 100mm.

Outside depth is 60mm at the highest point. Inside depth at the lowest point is 43mm.