John Deere XUV550, Briggs & Stratton Vanguard V-Twin Cylinder Heads, Valves, Springs and Covers. NOTE: ROCKER ARMS AND HARDWARE ARE NOT INCLUDED OTHER THAN WHAT IS SHOWN IN PHOTOS. Parted from multiple XUV550 models with Briggs & Stratton Vanguard V-Twin. Items tested and performs as designed. SEE PHOTOS OF ACTUAL or SIMILAR ITEMS. THESE AND MANY OTHER HARD-TO-FIND SMALL ENGINE, OUTDOOR. DONT SEE WHAT YOU NEED? WE HAVE THOUSANDS OF PARTS ON OUR SHELVES AND CAN CREATE A CUSTOM LISTING TO MEET YOUR SPECIFIC NEEDS. THANK YOU FOR VIEWING OUR LISTINGS AND HAPPY EBAYING!!!!!!! View more great items.