Poly Rear bushings

[bondo]

Rear Trailing Arm to Body Source to Writeup
w/ matching inner sleeve (will require larger bolts) Poly Performance PPM-4300-200

http://www.polyperformance.com/rally/Synergy-Suspension-Bushing-Kit-p-16605.html

Bushings Alone (will require custom inner sleeve) Poly Performance PPM-4301-200 Specs/Source

http://www.polyperformance.com/rally/Synergy-Suspension-Bushing-Halves-p-25279.html

I found this in a thread and was wondering which bushing would be better? thanks