Add this store to favorites. Sign up for Store newsletter. PowerSport Meca shop for gear and accessories. SPI Rear Bumper Ski-Doo REV-XP XM 163 inch chassis Replaces OEM# 860200955. Replaces Ski-Doo OEM # 860200955. Fits REV-XP and REV-XM 163 chassis (does NOT fit Grand Touring SE and LE). The item "SPI Rear Bumper Ski-Doo REV-XP XM 163 inch chassis Replaces OEM# 860200955" is in sale since Thursday, February 7, 2019. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Body Parts". The seller is "rpm-powersports" and is located in Omaha, Nebraska.