Mancini has an exclusive deal with HS to produce their rockers with bushings instead of rollers and you can only find them in the flier.
Here is the number http://chucker54.stores.yahoo.net/manciniracing21.html
They are a few hundred cheaper
Gus


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60