The three flat head screws hold the front plate to the block. There are two screws that secure the cam thrust plate to the front plate. I'd suggest using blue (not red) LocTite on the cam plate screws. No lockwashers. Don't forget the spacer between the cam plate and the cam.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!