Thread: Ur lightweight pulley to alternater pulley (oem) no A/C belt size?

hey guys just like the title says I have a sr20ve and a/c bearing is out and want to remove it i got the ur leightwieght pulley from sr20de i have tried putting on the 305K4 belt and 310k4,315k4 is to loose. Please help guys I dont want to buy an a/c pump.

Hey guys I have an sr20ve swap in my 99 sentra and i want to remove my a/c pump because the bearing is going out on it and i dont want to buy a new one. I want to run belt from harmonic pulley to alternator pulley but i have a UR leighweight pulley and already tried some belts and wont fit these are the belts i have tried 305k4 too small ,310k4 to small ,315k4 too big , 320k4 way to big if any has the fix to can you please help me out.

Moved this out of the Crank pulley thread.