hello I have a 1999 s10 4.3 2wd and I am thinking about getting under zr2 fender flares. How hard are those to install onto the stock s10 fenders or will I need the zr2 fenders? thank you

Hello, New to the forum...rebuilding a 03 S10 ZR2 and I'm having a bit of an issue. Can't figure out if non-zr2 inner fenders / Wheel house will fit a ZR2. Conflicting info in parts catalogs online. Some specifically say w/o ZR2 on them, then I find the same part listed elsewhere as FOR ZR2...