Went out and measured a stock and a powermaster. Stock 7 1/2 in, inside flange to end of starter. Powermaster 8 in inside flange to end of starter, but it is 1/2 the diam and sets in a differant place (right up against the block). Hope this helps. jmdjr67
This message has been edited by jmdjr67 on Nov 5, 2008 4:15 PM