THISAUCTION IS FOR A COMPLETE 69 -ZL1 -ALL ALUMINUM -427 WITH TRANSMISSON ONLY .. THE BLOCK IS THE SECOND DESIGN. ALL COMPONENTS ARE THE 69 ZL1 .. IT IS COMPLETE WITH THE ELECTRONIC ENGIN, SMOG PUM, DEEP GROOVE PULLEY, ALL PARTS ARE DATED CODED CORRECT .. IT COMES WITH THE LIGHT WEIGHT 427 FLYWHEEL ..CLUTCH AN PRESSURE PLATE WAS BALANCED WITH ENGINE .. TRANSMIION WAS BUILT WITH A NEW CASE WITHOUT NUMBERS .. A 69 MODEL USED SHIFTER WAS SENT TO HURST TO BE REBUIL, SHIFTER HANDLE WAS RECHROMED .. THIS ENGINE HAS BEEN RUN ON A TEST STAND ONLY .. I DON'T HAVE THE CORRECT FAN OR BREATHER ..