Don't waste your money on that pulley. Yours is already 3" so why spend money on one thats not even going to net you 1 psi?
04 ZX3 Mostly Stock [3/13 ROTM]["Best Non-SVT" FITF '12][7/14 ROTM]
12 SE Hatch Sport & Winter Package, ST Front End
94 F150 XLT DD
89 Bronco II XLT Well the body is still stock, what's left of it