Boundary high-flow billet oil pump gear for Toyota Celica and Lotus Elise 2ZZ-GE engines. The source lists this item as a billet gear upgrade aimed at increasing oil pump flow for the 2ZZ-GE application. The description presents the gear as an application-specific replacement component for those engines without additional claimed performance figures.
Boundary Toyota Celica/Lotus Elise 2ZZGE High Flow Billet Oil Pump Gear