pully belts

I am putting the UR underdrive pullies on a bluebird DET, and was just wondering if anyone could tell me what belts I need to use with them...sizes would be great, part numbers even better. Thanks in advance.

http://www.unorthodoxracing.com/belts_infiniti.html

Those should work just fine.

Originally posted by G20ps
I am putting the UR underdrive pullies on a bluebird DET, and was just wondering if anyone could tell me what belts I need to use with them...sizes would be great, part numbers even better. Thanks in advance. For the two pulley set:

Gates Belts

K060390 Alt/ AC

K040340 WP / PS

For the four pulley set:

Nissan belt 4PK845 on the power steering, crank, and water pump
A generic K3906 on the crank to the alternator.