Boundary VQDE40-S1-M-SH1 Billet Oil Pump Assembly for Nissan Engine - VQ40DE

The Boundary VQDE40-S1-M-SH1 is a high-performance billet oil pump assembly engineered specifically for Nissan VQ40DE engines. This precision-built pump combines OEM Nissan housing with Boundary's mirror-finished billet oil pump gears to deliver superior reliability and performance for both street and high-performance applications.

Key Features:

• Mirror-finished billet steel gear set for maximum durability and flow efficiency
• MartenWear surface treatment for enhanced wear resistance and extended service life
• Includes 1 shim (+10 PSI) for optimized relief valve settings and high RPM pressure
• Stainless steel Torx fasteners replace stock hardware, torqued to specification with Loctite
• Complete ultrasonic cleaning, air blast, and hand inspection of all components
• Hand de-burred pump housing for smooth operation
• Anaerobic sealant applied to critical areas to reduce aeration and improve pump-up speed
• Assembly lubricant pre-applied to all critical surfaces for fast oil flow on startup
• Blueprinted and inspected with specification sheet included

Designed for the Nissan VQ40DE engine platform found in various Nissan and Infiniti vehicles, this oil pump assembly provides the reliable lubrication needed for engines producing 261-275 horsepower and beyond. Each unit is manufactured in Dallas, Texas using state-of-the-art CNC equipment and undergoes rigorous quality control to ensure optimal clearances and performance. Perfect for enthusiasts seeking OEM+ reliability or racers demanding proven performance under extreme conditions.