Mirage MR-HP172 Tire Listing. 2X235/45R21 101Y XL MO Michelin Pilot Sport 4 SUV Tyre Dot 2021 & 21. “No cracks, no sun fade—brand new rubber ready for safety and road performance”. Pair of new Michelin Pilot Sport 4 SUV tires in size 235/45R21 101Y XL MO. Additional charges may apply for: AB56, IV1-IV28, IV30-IV32, IV30-IV36, IV52-IV54, IV63, KW1-KW14, PA21-PA38, PH4-PH41, PH49-PH50, BT, Scilly Isles, Channel Islands, Northern Ireland, Scottish Highlands, Isle of Wight, Scottish Islands, Isle of Man.