This is the absolute proven combination that gives you 1500+ horsepower at your disposal. The solid foundation starts with your choice of blocks; the rigid piece from Dart or direct from GM, with the mighty LSX. Both feature remarkable improvements to the oiling system and cast with exceptional materials. Handling the top end are 6-bolt heads from All-Pro, Black Label, or Brodix castings. All feature LME in-house CNC porting and utmost quality components with option to upgrade to 1/2" studs. LMEs custom forged 4.125" piston from Wiseco is designed to handle the astounding heat and cylinder pressures today's boosted street machines produce. Callies Dragonslayer crank with a 4.000" stroke, 6.125" Ultra rods, and .200" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance.