Discount prices on quality New & Reconditioned Automotive Replacement Part

This is a GM standard sized GEN III LS Series 5.3L / 4.8L Bare Block.

* block casting # : 12551358
* Description : GM standard sized 4.8L / 5.3L LS Series LM7 / L59 / LR4 GEN III bare block w/ new cam bearings
* Specs – Material          : Iron                Displacement  : 5.3L / 325 c.i.d.                Bore Dia          : 3.780 in                Stroke              : 3.622 in                Deck Height    : 9.230-9.240 in                Main Cap        : 6-Bolt                  

 * information : block has been prepped (honed). Block is ready for assembly.             

**FREE SHIPPING does NOT Include Alaska , Hawaii, and or US Protectorates, American Samoa, Guam, Mariana Islands, Marshall Islands, Micronesia, Palau, Puerto Rico, U.S. Virgin Islands**