transmission question

[olds307 and 403]

What heads, pistons, cam and gears do you have?

 

[KINGCUTTY_SALON86]

I have 403 heads JE pistions forgot the exact dimensions but i have a 9 to 1 compression no cam upgrades at the moment should have got one but i tried to save a little money because the engine was rebuilt prior to me tearing it apart and rebuilding it.