If you play guitar/bass & need help with choosing or installing pickups, amps, or whatever, join the Seymour Duncan Forum at www.seymourduncan.com ..We need more Opeth fans!!!
..I'm not sure what Mikael uses, but a SH-5 Custom, SH-4 JB, SH-6 Distortion, or a SH-14 Custom-5 will do it in the bridge. ..For the neck a SHPG-1 Pearly Gates, SH-2 Jazz Model, or a SH-1 59' Model will all do fine.