This Boundary oil pump assembly for Subaru EJ engines features a 12mm billet gear with a high-flow shark tooth profile, supplied as a complete replacement unit. Intended for engine rebuilds and performance-oriented builds, the pump provides increased flow characteristics through its billet gearing while matching the Subaru EJ mounting and fitment requirements.
Boundary Subaru EJ 12mm Billet Gear High Flow Shark Tooth Oil Pump Assembly