I am running the Dart girdles on my afr220 heads with no issues. Just remember to do the adj with the girdle snug around the studs or one you tighten them all your adjustments will be way off. The girdle really pulls the studs in line.
GBodyForum is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates.