Search directly on Gates website maybe...it takes all 1 second. Common sense would say if they offer two belts under their standard applications, one for PS and one for A/C
GATES Part # K040438 Micro-V AT Premium OE V-Ribbed Belt; K04 9/16" x 44 3/8" - Power Steering
GATES Part # K060461 Micro-V AT Premium OE V-Ribbed Belt; K06 13/16" x 46 5/8" - Alternator and Air Conditioning
then they must offer two belts for their "racing" applications and one for PS and one for A/C.
High Performance Automotive V-Ribbed Belt — K040440RB - Power Steering
High Performance Automotive V-Ribbed Belt — K060465RB - A/C
Start searching things and paying attention to part#s maybe...