Amazon.com: XtremeAmazing Car Stereo Door Speaker Adapter Mounting Plates 6.5 Inch 6.75 Inch 165mm Stand Ring Kit with Wiring Harness Cable Set of 4 : Electronics
Toyota Tundra 6x9 6.5" 6.75" Heavy Duty Speaker Adapter Front & Rear Door Installation Kit
Metra 82-8603 6.5" Speaker Adapter Plate for Tesla Model X & Model S 2015-2021 (Pair) - Walmart.com
Best Kits BKTSB910 6.5" or 6.75" Speaker Adapter for 02-13 Lexus/Toyota Vehicle - BES13-BKTSB910
Amazon.com: DKMUS 6.5" Car Door Speaker Mount Adapter Plates for Toyota Venza Solara RAV4 Camry Celica Echo Corolla Highlander 4 Runner Tundra Sequoia Yaris Prius Avalon Stand Ring Kit 1 Pair +
Amazon.com: ASC Audio 6" 6.5" 6.75" Inch Car Stereo Speaker Install Adapter Mount Bracket Plates and Speaker Wire Connectors for Select Ford Vehicles - See Compatible Vehicles Below : Electronics
Custom Made Speaker Adapters - Compatible with Select Toyota Vehicles – Sounds Good Stereo Online
Custom Made 6x9 to 6.5" Speaker Adapters (Fits Dodge, Chrysler and Man – Sounds Good Stereo Online