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You are looking at the MBR LSX 388 short block. When you are looking to make 1500+ horsepower this is the short block that you can build that foundation on. Starting off with a new GM lsx block off then is machined in house and assemble with carefully picked components. Those components consist of Callies dragon slayer crankshaft, Callies ultra I beam connecting rods and Diamond pistons 2k pistons. This short block means business. 


-GM lsx block with ARP stud upgrade

-Callies dragon slayer crank

-Callies ultra I beam connecting rod

-Diamond racing 2k pistons

-Upgraded rings and pins

-King XP coated race bearings


Feel free to contact us about doing a custom quote for you! This price is listed without freight shipping cost. After purchase we can quote you on freight cost. 


  • For pricing regarding products, parts, and other items on our website, please contact us at (410) 766-3100 or email at Thank you!

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