Magnum Rotators are the best in the business only using Callies or Crower Pro series cranks,  Callies, Crower or Oliver steel I beam rods, JE or Wiseco “Quick” 8 and 16 pro series pistons for high compression race gas, Total Seal Hell Fire, TNT or SS Rings, Race Series ACL, King or Mahle-Clevite Bearings

Magnum Rotators can be made for pump 87-89-91-93° gas with custom JE or Wiseco “Quick” 8 and 16 lower compression pistons in any deck height, ring or bore size upon request