Enrock Harley Davidson Speaker Mounting Ring Adapter for 6.5 Inch to 6.75 Inch (6-1/2" to 6-3/4") Speaker Fits 1998-2013 Harley Davidson Touring Models - Walmart.com
Amazon.com: Universal 1/2 Inch Plastic Depth Ring Adapter/Spacer for 6.5" Car Speakers : Electronics
2pcs 6.5" Inch High Quality Aluminum Speaker Ring Speaker Mounting Spacer Rings | eBay
10 Pair 6.5" MDF Speaker Ring RING-6.5R Speaker Mounting Spacer Rings 20 Pack - Best Connections
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
2 Pairs Flush Mount 6.5 inch Speaker Rings MDF GP Car Audio Mounting Spacer | eBay
6.5 Inch Aluminum Speaker Ring Spacers Mounting Adapter Rings (Pair) FOCAL ES | eBay
Universal Black 1/2" Plastic Depth Ring Adapter Spacer 6.5" for Car Sp – JSP Manufacturing