Report Highest hp 421 4mil cylinder in Drag Forum Posted December 19, 2020 Looking at working my way into the racing scene, who has the proven highest hp cylinder for a 421 class engine? Been looking at drivelines race port assassin cylinders, but what else is out their that will be competitive in today’s world? Sent from my iPhone using Tapatalk
Highest hp 421 4mil cylinder
in Drag Forum
Posted
Looking at working my way into the racing scene, who has the proven highest hp cylinder for a 421 class engine? Been looking at drivelines race port assassin cylinders, but what else is out their that will be competitive in today’s world?
Sent from my iPhone using Tapatalk