525 Cubic Inch Engine. 721 HP
 

New Merlin Block, new AFR Heads, New Pistons,
Crower Rotating Assembly. Blower Shop 250.
Dynoed this week. Built right with all the right parts that are not currently available. I purchased a new 600 sci last year when parts were not available.
Motor in Gainesville GA at the builder so all can be verified. 721HP and 749TQ at around 5700:
Hardin Dry Headers and accessories available.
30k