Originally Posted by GTXMEX
OK. But if I don't have the factory main caps and only steel billet or Aluminum appear to be available new, what do I go with?



You can’t go wrong with aluminum. Monte recommended that to everyone on this site years ago while he was living.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time