Audiopipe's APMB 8.5 Inch Plastic Speaker Rings are a real time saver on installs. These rings will allow for an extra 1 inch mounting depth for custom installations.

They are exclusively made to fit Audiopipe APMB speakers with a die cast basket but will work in other custom applications.

Specifications:

2 Pairs (4 Rings in Total)
Inner Diameter 7 1/4"
Outer Diameter 8 1/2"
Thickness 1"
Made from ABS Plastic