i believe its early 99 to mid 01 has one wp, then late 01 to 04 has a different one. if you look at steeda underdrive pulleys for 99 to 04, theres 2 different sets, that year range will tell you.
2002 GT 5sp. 16x,xxx miles
Steeda Exhaust, C&L plenum, BBK Throttle Body, Steeda Underdrive, Steeda short throw, unknown stage clutch. Rear main leak. Compressor seal leak. Steeda lower control arms. good tires.