New for 2010 - Aluminum 6.1L/GEN III Hemi blocks from Mopar Performance. Available in three versions, these new blocks weigh approximately 100 pounds less than the production cast iron versions. Most production 6.1L Hemi components will interchange with these blocks. Increased wall thickness allows for bore sizes up to 4.185" thus allowing 400" - 500" displacements (depending on stroke). These new blocks are perfect for production LX/LC vehicles along with resto-mod projects.



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