help! new rb5 help!

[450kid]

hi ive bought a new rb5 and used it twice now and could do with a good polished floor set up as i only get time to go to york at the min.

ive got these parts to convert to sp;-
umw512
umw511
w5196-01v
um522
um519
um521
shorter rear shock tower and gear box bits to match
also umw517 are on there way eventualy some day they will turn up

ive got a bit lost with all the back ends and mid arms and other mods avalible!

do i need any other parts to make it a sp?
and will it make it better?
any help would be gratful
cheers
Ben