Slight knocking noise coming from clutch end

Hi guys back to the original subject of the knocking noise it's still there the things I have done are
New gearbox 2nd hand
New final drive bearings (new)
New rear pully 2nd hand
New clutch (new)
New clutch bell (new)
It's definitely coming from the clutch/Gearbox area I've took the belt off and it doesn't do it dose anything look warn in the pics cheers guys

 

When you replaced the gearbox, was there any play in the bushes that hold the gears when you fitted them in? When you stripped the clutch, was the contra spring in good condition? A weak contra spring *might* cause the pins that you see in your photos to rattle up and down the slots and cause a 'clonk', but that's a long shot.

 

All the gears fitted in nice and snug no play in them the spring is good and has good resistance it stops when I give it a rev