47-55.1 Speedway Dirt track A arms for bagged S10s

[gigamanx]

I've been all over the Internet and this forum and still can't seem to get a "right" answer on the A arms needed for an S10 bagged chassis. From what I gather, the 8" Speedway dirt track version is correct. I buy two right hand ones since the left hand one of their kit is 0.5" longer.

Supposedly, poly bushings are a better choice to replace the ones in the Speedway kit as those are steel bushings. The site also says the A arms fit stock ball joints.

Questions:

1. Could someone confirm the 8" RH is correct for a 1988 S10 chassis?
2. Do I purchase separate poly bushings for road use?
3. Should I use stock ball joints, or is there an "upgraded" version that you would recommend?
4. Am I better off just spending the extra $$ on RideTech StrongArms Tubular Control Arms Part #11393699
5. Do drop spindles come with ball joints (I'm planning on getting those too!)

Thanks for the help!