Check the listing for details. Toyota 4Runner 5th Gen - 3.5" Dash Speaker Adapter Mount Tweeter Upgrade. Condition: New. Listed at 24.99 USD. Pair of tweeter adapters to upgrade to 3.5" speakers. This was custom designed by KPTexan and I have exclusive permission to sell this design. These mounts allow the replacement of the stock dash tweeter speakers with 3.5" aftermarket speakers. Manufactured on a Bambu X1-C with a high temperature resistant, durable, high quality ABS.It is designed around the Infinity Reference REF-3022cfx 3.5" speaker - compare your speaker specs to these to see if the mount might work for your application. The mounting holes in these mounts are 76.5mm in diameter, and max speaker outer diameter is 89mm. These are compatible with most speakers including 3.5 JBL have been tested.The stock mounting screws can be re-used in all locations except for inboard passenger side screw. A #10 x 1" sheet metal screw with washer or other screw may be used instead.The screw holes for the speakers themselves are 3.5mm, which is designed so that a standard #8 machine screw will self tap into the plastic.Only includes the adapters. You will still need the speakers, wiring harnesses, bolts/screws, and any other parts for installation.