HEMI Long Blocks

A long block Hemi upgrade comes with a high performance forged rotating assembly and valve train (ported heads, camshaft, etc.) already installed. We carry 5.7L, 6.2L, 6.1L, and 6.4L (392) based long blocks. Custom long blocks are a perfect base for a truly awesome high performance HEMI build.

426 HEMI Long Blocks

Hemituner Performance now offers 426 HEMI long block stroker engines. These high performance 426 engines are built with all new forged internals, and are made specifically for your builds requirements.

5.7L HEMI Long Blocks

The 5.7L Hemi Long block is based on the 5.7L block featured in the 2005-Present Dodge Charger R/T’s and Jeep Grand Cherokees, and 2009-Present Dodge Challenger R/T’s.

6.1L HEMI Long Blocks

The 6.1L Hemi Long block is based on the 6.1L block featured in all SRT-8 Dodge Magnums, Challengers, Chargers, Jeep Grand Cherokees, and Chrysler 300C’s made between the years of 2005-2010. (*Note not all models listed started being produced in 2005)

6.4L HEMI Long Blocks

The 6.4L 392 Hemi Long block is based on the 6.4L blockfeatured in all SRT-8 Dodge Challengers, Dodge Chargers, Jeep Grand Cherokees,and Chrysler 300C’s made from 2011-Presnt. (*Note Excluding the 6.2LSupercharged SRT-8 Hellcat)