Big block 4 Speed Starter not engagement

Hello .. i have starter problem on my 512 4 speed .. this is my combo :

512 ( 440 Block )
8 Bolt ctankshaft .
steel Flywheel 8 bolt
bellhousing reproduction from Brewers aluminium
a833 4 speed 1969
centerforce clutch
Starter powermaster 9533
Headers TTI 2" 3.5

last week i started the engine ... everything ok ! ... after a week .. i have installed new fuel pump and other parts ... try to start and not engage... not engagement... i have checkhed all bolts ... all ok you have idea ?

I haven't used that starter but the Power Master starter on my S/P car had the front retaining ring pop off at the races several years ago which made the starter not work when engaging, it would spin but not engage and spin the flywheel over

PROBLEM SOLVING WAS BAD THE NEW STARTER ! INSTALLED ANOTHER ONE FROM DAKOTA DODGE AND NOW IS OK ! POWERMASTER NOT GOOD !