If anyone needs any 1" spacer rings for mounting 5.25", 6", 6.5" Speakers:
http://www.partsexpress.com/images/265-821m.jpg
Metra 82-4300
$7.00+s/h
Contact me if you are interested
Also having a 6.5" midbass sale visit the C3 Customs Forum for more details.
