Description:

Based on the Brodix 5" bore space casting, RFD has taken it's years of large cubic inch engine research and applied it to this user-friendly combination.

750" and larger engines are becoming more and more common in Top Dragster and Top Sportsman as well as Track Pull. We have port designs to work with many applications as well as Nitrous-friendly versions. This is the most user-friendly 5" bore space head available.

Specifications:
• 4.650 - 4.75 bore
• 2.55 x 1.86 valves
• flows over 590cfm
• one piece rocker bar
• oval intake ports
• NOS versions
• 15º in x 6º ex
• Brodix blocks available

Used by Spiro Pappas racing--> http://www.spiropappas.com/index.php