This is a complete 6.1L / 426 Hemi stroker Short Block. Custom built to your requests. We can custom build these 6.1 Hemi aluminum block engines with all the best components. Molnar, SCAT, K1 Technologies, Diamond pistons, Wiseco, Carrillo CP, King or Clevite bearings, Total Seal rings, Custom Comp Cam, and many other manufacturers and components. They can be stroked to 426 and give you that edge in power. Contact Southeast Performance for details and pricing.