I dont like to talk bad about anything,but i had a powermaster ultra xs starter that strained when starting my pump gas 496 11:1 comp.Was supposed to be good for 600 ci and 16:1 comp. fooey. Threw it on the shelf for a spare and put on a factory GM mini starter like you can get for the late model duallies.I think mine is for a 1999 454.Of course you have a sbc,but that factory mini starter ran (still is 3 years later)circles around any aftermarket mini i ever owned.If you have the staggered mounting holes you can use it.Run about $100 with no core charge.Only other "aftermarket" mini starter i ever had good luck with was a tuff stuff ,which turned out to be a re-packaged GM mini.HAHA Go figure :lol: As far as the flexplate,there alot of different sfi approved out there,i've been using chromoly ones lately.Not any more expensive,just gotta know which brand to buy to get the CM ones.Had good luck with that.Just my two cents...probably not worth that much