It's not just AC. I had to replace the spider on my ZR 500 this year. My son's Polaris had to have a spider replaced this year, but I used the parts that came off his other P-85 that broke a tower in half last year.ilive4snow700 said:my dads '98 ZR 600 had the spider grenade last year at 90mph, and it blew a 4 inch hole in the belly pan. it was a 12 tower clutch that had 4000 miles on it, and 600s are hard on clutches. so it was bound to explode lol.