Boundary Oil Pump Gear for Nissan RB26 Billet 81mm OEM Housing

Boundary Oil Pump Gear for Nissan RB26 — Billet 81mm (Fits OEM Housing) Precision-machined billet steel oil pump gear engineered for Nissan RB26 engines. Designed to drop into the OEM 81mm housing, this gear delivers improved durability, tighter tolerances, and consistent oil pressure for high-performance and street-driven RB26 builds. Perfect fit: Direct replacement for RB26 oil pumps with 81mm OEM housing — no modifications required. Durable construction: CNC-machined billet steel resists wear and fatigue under high rpm and elevated oil temperatures. Improved reliability: Maintains oil pressure and reduces risk of scuffing or pump failure in tuned engines. Application: Ideal for RB26DETT rebuilds, turbo upgrades, and motorsport use. Easy installation: Fits existing housing and hardware for fast, hassle-free replacement. Choose the Boundary billet oil pump gear to protect critical lubrication pathways and preserve engine longevity in demanding driving conditions. Optimized for Nissan RB26 enthusiasts and professional builders seeking OEM-fit performance and enhanced reliability.