Boundary Billet Oil Pump Gear Hi-Flow (F&R)

2003–2008 Dodge Challenger, Charger, Magnum, Jeep Commander 5.7L HEMI / 2005–2010 Dodge Challenger, Charger, Magnum, Jeep Grand Cherokee 6.1L HEMI

Part #: HEMI-OPG

Overview

The Boundary Billet High Flow Oil Pump Gear is a precision-engineered upgrade designed specifically for Dodge HEMI Gen III 5.7L and 6.1L V8 engines. This billet steel gear replaces the factory oil pump gear to improve oil flow efficiency and maintain optimal lubrication under demanding driving conditions. It is an essential component for performance enthusiasts and those seeking enhanced engine reliability, especially during sustained high RPM operation and aggressive driving.

Manufactured by Boundary, a trusted name in high-performance automotive components, this oil pump gear ensures consistent oil pressure and reduces the risk of oil starvation, helping to protect critical engine parts during intense use.

Key Features

Designed to deliver superior performance and durability, the Boundary Billet High Flow Oil Pump Gear offers several advantages over stock components:

• Precision CNC-machined from high-grade billet steel for exceptional strength and long-lasting durability
• Optimized gear tooth profile to increase oil flow and improve pump efficiency
• Specifically engineered for Gen III 5.7L and 6.1L Dodge HEMI V8 engines for perfect direct-fit installation
• Enhances oil pressure stability during high RPM and heavy load conditions
• Improves engine longevity by ensuring consistent lubrication to vital components
• Direct replacement for factory oil pump gear with no modifications required
• Corrosion-resistant finish to withstand harsh engine environments and extend service life

Construction & Design

The Boundary Billet Oil Pump Gear is crafted from premium billet steel selected for its superior strength and resistance to wear. Utilizing advanced CNC machining, the gear is manufactured to exact tolerances with an optimized tooth design that promotes increased oil flow without sacrificing durability. This meticulous engineering ensures reliable operation even under the stresses of high-performance driving.

Its robust construction and corrosion-resistant coating provide additional protection against the demanding conditions inside the engine, contributing to extended component life and consistent performance over time.

Installation & Fitment

Installation is straightforward, as this oil pump gear is designed as a direct replacement for the factory gear on Gen III Dodge HEMI 5.7L and 6.1L V8 engines. No special modifications, machining, or additional parts are necessary, making it an accessible upgrade for professional mechanics and experienced enthusiasts alike.

Proper installation ensures improved oil pump efficiency and enhanced engine lubrication, which is especially beneficial for vehicles subjected to high RPMs, racing conditions, or aggressive driving styles.

What's Included

• 1 x Boundary Billet High Flow Oil Pump Gear (Part # HEMI-OPG)
• Installation instructions

Ideal For

This high flow oil pump gear is ideal for Dodge HEMI Gen III 5.7L and 6.1L V8 owners who demand enhanced engine reliability and performance. It is particularly suited for:

• Performance enthusiasts upgrading their engine components
• Vehicles used in racing or high RPM applications
• Owners seeking improved oil flow and pressure stability
• Those looking to extend engine life through better lubrication

Boundary Pumps (Boundary Racing Pumps) focuses on precision-engineered oil pumps designed to deliver strong flow and pressure for high-RPM, high-load performance engines. Built for punishing conditions, their upgraded pump solutions are aimed at enthusiasts and racers who want extra lubrication headroom and durability—especially in builds where engine protection is non-negotiable.