K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Polaris Side-by-Side and ATV Models, KN-198 - Walmart.com
Oil Down: A Look Inside Several Popular Oil Filter Models
Amazon.com: Derale 25729 Side Port Oil Filter Mount : Automotive
BILLET 4PORT SIDE ENTRY REMOTE OIL FILTER MOUNT 3/4IN-16