its a 466 crank with a 3/8 stroke needs to be maged i was gunna build a tractor but my truck puller is soaking up all the money and that is my passion so i sold the tractor end everything i had for it all i got left is the crank i wasnt gunna sell it but now its time 750.00 obo im only selling it this cheap cuz it needs to be maged my loss is your gain pm me interests