Boundary oil pump gears OPG are machined in matched sets, and shipped with blueprinting paperwork. Applications include the 2011-2023 Ford 5.0 Coyote Mustang and F-150 Truck, Ford Cyclone Ecoboost V6 and the Ford Modular 4.6/5.4 engines. Boundary gears have been proven in applications exceeding 400HP per Liter. We have found these gears to be nearly indestructible in all applications especially when running superchargers and turbo kits. Beefcake Racing is an Authorized Dealer for Boundary Pump Division, call 1-855-827-7223, 9am-10pm EST.