If you have an HSS Strat or some version of "Super Strat" and the single coil pickups are a little lacking compared to the bridge, the Seymour Duncan Cool Rails may be your answer. With a medium output and 9.8K DC resistance, they provide humbucker-like performance in a package that will drop into any Strat-type pickup rout. Plus you can split them more even more sonic options. 

In the words of Seymour Duncan...

The Cool Rails neck delivers an articulate and full sound, much like a full-sized humbucker. Its medium output makes it a great sonic match for a Hot Rails, JB Jr., or any standard-sized bridge humbucker as well. Chords will be warm and articulate, with a subtle scoop in the mids, and solos will be fat and crisp. The dual-blade design provides excellent sustain, especially for string bending on the higher frets. For hum-free performance in all positions, go with the Cool Rails set. This pickup is a drop-in for any standard single-coil rout.

9.8K DC resistance
Ceramic Magnet
Four conductor wiring