Okay, old question along with a new one.

Whats the best pivot balls for the speedmerchant rev.4 suspension links?
(money not a big problem, as long as they aren't gold plated or anything)

whats the best source for red aluminum 4-40 hardware?
(trackside rc sells a kit for the L3 on ebay for $11 but screw sizes aren't listed. This is also for the rev.4)