Mopar Small Block Head info:

No special build, but I agree on the Edelbrock or Speed Master suggestion!
Speedmaster examples...
Mopar Chrysler SB 318 360 190cc 68cc CNC Hyd-FT Complete Aluminum Cylinder Heads
Maxx 171 SB Mopar (Sold in Pairs) - PROMAXX Performance Products
Shocker 185 Mopar CNC (Sold in Pairs) - PROMAXX Performance Products