evo oil
i must say these really bring the crossover sound to another level, they are precise accurate and fast, down side is the size...

Jantzen
i find the Jantzen caps an all rounder,they make a big differance in the upgrade of speaker crossovers, my fist choice in trust

Oil caps
i must say these really bring the sound to another level, crossover is precise accurate and fast, sound like new speakers