This is a GM Standard Size Cylinder Bore GEN IV LS Series 5.3L Aluminum Bare Block.

* Block Cast # : 12569513
* Description : GM standard size cylinder bore 5.3L LS Series LC9 / LH6 AFM / D.O.D bare block w/ new cam bearings
 * information : block has been prepped (honed). Block is ready for assembly. 
* Specs – Material          : Cast Aluminum                Displacement  : 5.3L / 325 c.i.d.                Bore Dia          : 3.780″                 Stroke              : 3.622 in                Deck Height    : 9.240 in                Main Cap        : 6-Bolt 
* Note : AFM / D.O.D Block

     

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