i need 1 rod/piston combo for a 350 vortec motor.i've got one with a broke piston/bent rod.i was told there is a difference from left and right banks.i need a left bank(cylinder #7).prefer something local so i can hurry and pick it up.

 

where is local for you i have a hole vortec lock with a blown headgasket will sell the short block dirt cheap