Protect your engine from high-RPM oiling failure with the Boundary Billet Oil Pump Gear set for the Nissan RB26. While factory oil pump gears are typically made from brittle sintered metal that can shatter under extreme harmonics or heavy loads, these billet components are precision-machined for the durability required in high-performance builds.

Designed as a direct internal replacement, this 81mm gear set fits within the factory (OEM) oil pump housing. It provides the necessary strength to maintain consistent oil pressure during track use and high-horsepower applications, preventing the catastrophic failure often associated with OEM gear fragmentation.

• Precision-machined from high-strength billet steel for maximum durability
• 81mm diameter engineered specifically for the factory RB26 oil pump housing
• Superior resistance to high-RPM harmonics compared to stock sintered gears
• Direct replacement for factory internals
• Manufacturer Part Number: RB26-81-OPG

Fits Nissan 2.5L QR and DE series engines. The Boundary Billet Crankshaft Timing Sprocket (MPN: QR25DE-SP) is a precision-engineered upgrade designed to replace the vulnerable factory sprocket. While OE components are typically made from powdered or cast metal, this Boundary unit is CNC-machined from high-strength billet steel to provide the durability required for high-RPM and performance engine builds.

• CNC-machined from premium billet steel for maximum strength
• Direct replacement for the factory crankshaft timing sprocket
• Ensures timing accuracy and prevents catastrophic sprocket failure
• Ideal for high-performance and racing applications
• Manufacturer Part Number: QR25DE-SP

Fits 2007-2014 Ford Mustang GT500 (V8-5.4L / V8-5.8L).

Protect your engine from catastrophic timing failure with the Boundary Billet Crankshaft Timing Sprocket. In high-performance Ford Modular V8 builds, the factory-installed sintered metal sprocket is a notorious weak point, prone to shattering under high-RPM harmonics or the increased loads of aftermarket superchargers. Boundary addresses this vulnerability by replacing the fragile OE component with a precision-engineered billet steel gear.

• CNC-machined from high-strength billet steel for maximum fatigue resistance.
• Designed to withstand the extreme vibrational loads of high-horsepower forced induction builds.
• Direct-fit replacement for the factory crankshaft timing gear to maintain precise valvetrain alignment.
• Heat-treated for increased surface hardness and wear resistance.
• Manufacturer Part Number: MM-SP-GT500

Fits select 1999-2015 Ford Modular V8 engines (including 4.6L, 5.4L, and 5.0L Coyote).

The Boundary Oil Pump Assembly (MPN: MM-S1-BBP) is a critical upgrade for high-performance Ford Modular engines. While factory oil pump housings are prone to flexing under high-RPM stress, this assembly features a precision-machined billet steel backplate. This added rigidity eliminates plate deflection, ensuring consistent oil pressure and preventing internal bypass that can lead to catastrophic engine failure during track use or high-load conditions.

• Billet steel backplate replaces the flexible factory cast component for superior rigidity
• Ensures stable oil pressure by maintaining tight internal clearances at high RPM
• Precision-ground surfaces for optimal volumetric efficiency and sealing
• Direct-fit replacement for 1999-2015 Ford Modular V8 oil pump assemblies
• Manufacturer Part Number: MM-S1-BBP

Fits 2011-2014 Ford Raptor (6.2L).

Boundary Billet Oil Pump Gears are a critical reliability upgrade for the Ford 6.2L Raptor V8. The factory-installed sintered metal gears are known to be a weak point in the Modular Motor platform, especially when subjected to high RPMs or increased performance demands. These Boundary gears replace the stock internals with precision-machined billet steel, offering significantly higher yield strength to prevent the catastrophic failure and oil pressure loss associated with shattered OE gears.

• Manufactured from high-strength billet steel for maximum durability
• Precision-machined to ensure consistent oil pressure and flow
• Direct drop-in replacement for the factory oil pump internals
• Engineered for high-performance and heavy-duty 6.2L V8 applications
• Manufacturer Part Number: MM-OPG-RAPTOR

Fits 2001-2004 Ford Modular 4V V8 engines.

Protect your high-performance Ford engine from oil system failure with Boundary Billet Oil Pump Gears. Factory oil pump gears are typically manufactured from powdered metal, which can become brittle and shatter under high RPM, severe vibration, or increased oil pressure in forced induction applications. Boundary's billet gears (MPN MM-OPG-4V) are engineered to replace these weak points with high-strength material and precise tolerances.

• CNC machined from aircraft-grade billet steel for superior structural integrity
• Heat treated to ensure long-term durability and wear resistance
• Direct fit replacement for original equipment (OE) oil pump internals
• Eliminates common failure points in street and track performance builds
• Manufacturer Part Number: MM-OPG-4V

Fits select 2005-2014 Ford Modular 3V and Shelby GT500 (4.6L / 5.4L) engines.

The Boundary Billet Oil Pump Gear is a critical reliability upgrade for high-performance Ford 3-valve and 5.4L GT500 builds. Factory oil pump gears are typically manufactured from powdered metal, which can become brittle and shatter under the stresses of high RPMs, harmonic vibration, or increased boost. These Boundary gears are precision CNC-machined from high-strength billet steel to eliminate this common failure point.

Engineered for a direct drop-in installation, this gear set ensures consistent oiling and protects your engine's bottom end during aggressive driving or track conditions. It is designed to maintain precise tolerances within the factory oil pump housing for reliable pressure across the entire powerband.

• Precision CNC-machined from premium billet steel for maximum durability
• Engineered to withstand high-RPM and forced induction applications
• Eliminates the failure risk associated with OEM powdered metal gears
• Direct replacement for factory oil pump gears in 4.6L 3V and 5.4L V8 engines
• Manufacturer Part Number: MM-OPG-3V

Protect your engine's oiling system from failure with the Boundary Billet Oil Pump Gear, specifically engineered for Honda L15B7 (1.5L) engines. Factory oil pump gears are typically made from sintered metal, which can become a critical failure point when subjected to the increased harmonics and stress of high-RPM operation or high-boost applications.

Boundary addresses this weakness by CNC-machining these gears from high-strength billet steel. This material upgrade ensures the gear can withstand extreme conditions without shattering, providing the reliability needed for performance builds. This is a direct-fit component designed to replace the OE gear set within the factory pump housing.

• Precision CNC-machined from high-strength billet steel for maximum durability
• Designed specifically for the Honda L15B7 1.5L I4 engine
• Eliminates the risk of failure associated with factory sintered metal gears
• Critical upgrade for high-RPM, circuit, and forced induction builds
• Manufacturer Part Number: L15B7-OPG

Fits 2014-2021 Subaru WRX models equipped with the 2.0L FA20F turbocharged engine.

Protect your engine from catastrophic failure with the Boundary 14mm Billet Oil Pump Gear. Factory oil pump gears are often manufactured from sintered powder metal, which can shatter under the stress of high RPMs, increased oil pressure, or the harmonic vibrations common in modified FA20F builds. Boundary billet gears are CNC-machined from high-strength steel to provide superior fatigue resistance and reliability where the OE components fall short.

• Precision CNC-machined from heat-treated billet steel for maximum durability
• 14mm gear thickness engineered for consistent oil flow and pressure
• Direct replacement for the factory sintered internal gears
• Designed specifically to withstand the rigors of high-performance and track use
• Manufacturer Part Number: FA20F-14MM-OPG

Fits select 2015-2017 Ford vehicles equipped with Cyclone or EcoBoost V6 engines (2.7L / 3.5L / 3.7L).

Engineered as a critical upgrade for high-performance builds, the Boundary Billet Crankshaft Timing Sprocket replaces the factory powdered-metal component. In high-RPM or boosted applications where increased valve spring pressure puts additional stress on the valvetrain, the OE sprocket is a known failure point. This billet version is precision-machined to offer superior tensile strength, preventing sprocket fracture and keyway shearing to maintain precise engine timing.

• Precision machined from high-strength billet steel for maximum durability
• Direct replacement for the factory timing sprocket to ensure perfect fitment
• Engineered to withstand the stresses of high-boost and high-RPM environments
• Tight tolerances for accurate timing chain alignment and reduced wear
• Manufacturer Part Number: CYEB-SP

Fits 2015-2017 Ford vehicles equipped with the Cyclone or EcoBoost V6 engines (2.7L, 3.5L, and 3.7L).

Protect your engine from the common failure point of factory powdered-metal gears. This Boundary billet oil pump gear set replaces the OEM internals with precision-machined steel components designed to withstand the stresses of high-RPM operation and increased boost levels. These gears are a critical upgrade for any performance-built EcoBoost or Cyclone V6 engine where oiling system reliability is paramount.

• Precision-machined from high-strength billet steel
• Designed to prevent catastrophic oil pump failure common in high-horsepower builds
• Heat-treated for maximum durability and wear resistance
• Direct replacement for the factory oil pump internals
• Manufacturer Part Number: CYEB-OPG

Fits select 2015-2024 Ford Mustang and F-150 models equipped with the Coyote V8 engine.

Designed as a critical upgrade for high-performance and forced induction builds, the Boundary Billet Crankshaft Timing Sprocket replaces the factory-sintered metal component. Under high RPM or increased load from superchargers and turbochargers, the OE sprocket is prone to shattering, which can lead to catastrophic engine failure. This Boundary sprocket is CNC-machined from high-strength billet steel to ensure maximum durability and precise timing alignment.

• Direct replacement for the factory crankshaft timing sprocket
• CNC-machined from high-strength billet material for superior durability
• Engineered to withstand extreme RPM and forced induction stress
• Heat-treated for enhanced wear resistance and longevity
• Manufacturer Part Number: CM-SP-15-LR

Fits 2015-Up Ford Coyote V8 engines (all types).

The factory crankshaft timing sprocket on the Ford Coyote engine is a known weak point, often constructed from powdered metal that can shatter under the stresses of high-RPM operation or forced induction. The Boundary Billet Crankshaft Timing Sprocket (CM-SP-15) provides a critical upgrade for enthusiasts and racers pushing their engines beyond stock limits.

Precision-machined from high-strength billet steel and heat-treated for maximum surface hardness, this sprocket offers superior resistance to fatigue and impact. It serves as a direct replacement for the OEM component, ensuring your timing chain remains synchronized and secure even under extreme load and vibration.

• Machined from premium high-strength billet steel
• Heat-treated for increased durability and wear resistance
• Precision-ground teeth for optimal chain engagement and reduced friction
• Replaces vulnerable factory powdered metal sprocket to prevent catastrophic failure
• Manufacturer Part Number: CM-SP-15

Fits 2011-2014 Ford Coyote 5.0L V8 engines.

The Boundary Billet Crankshaft Timing Sprocket is a critical reliability upgrade for high-performance 2011-2014 Coyote builds. Factory timing sprockets are manufactured from powdered metal, which can fail under the increased stresses of high-RPM operation, aggressive camshaft profiles, or forced induction. This Boundary sprocket replaces the vulnerable OE unit with a high-strength component designed to handle extreme engine loads.

Precision CNC-machined to exacting tolerances, this sprocket (MPN: CM-SP-11-LR) ensures perfect timing chain alignment and consistent valvetrain timing. It is a direct-fit replacement for the factory component, making it an essential upgrade during timing chain service or when installing billet oil pump gears.

• CNC-machined from high-strength billet steel for maximum durability
• Eliminates the risk of shattering associated with factory powdered metal units
• Precision-cut tooth profile for reduced chain wear and accurate timing
• Heat-treated to resist surface wear and maintain integrity under high heat
• Manufacturer Part Number: CM-SP-11-LR

Fits 2011-2014 Ford Mustang and F-150 equipped with the 5.0L Coyote engine.

Engineered for high-horsepower applications where standard timing components are the weak link, this Boundary billet crankshaft timing sprocket provides the durability needed for high-RPM and forced induction builds. Unlike factory powdered metal gears that can shatter under stress, this unit is CNC machined from billet steel for maximum structural integrity.

This specific "Grip" version features a specialized high-friction surface treatment. This coating increases the coefficient of friction between the gear and the crankshaft snout, significantly reducing the risk of the gear spinning or slipping—a common failure point on the Coyote platform that can lead to catastrophic engine timing issues.

• CNC machined from high-strength billet steel
• Proprietary High Friction Surface (HFS) for maximum grip
• Direct replacement for the factory timing drive gear
• Essential for supercharged or high-revving 5.0L builds
• Manufacturer Part Number: CM-SP-11-GRIP

Fits 2011-2014 Ford Coyote V8 engines.

The Boundary Billet Crankshaft Timing Sprocket (CM-SP-11) provides critical reinforcement for the 5.0L Coyote engine's timing system. The factory-installed sintered metal gears are prone to fracturing under the increased harmonic stress of high-RPM operation or forced induction. This billet component is precision-machined to eliminate that failure point, providing a much higher fatigue limit and tighter tolerances for consistent valve timing.

• Direct replacement for the factory crankshaft timing gear
• CNC-machined from high-strength billet material to prevent cracking and failure
• Essential for supercharged, turbocharged, or high-revving N/A applications
• Engineered for precise chain engagement and reduced wear
• Manufacturer Part Number: CM-SP-11

Fits 2024+ Ford Coyote V8 (5.0L) engines.

The Boundary Billet Dual Rotor Oil Pump Assembly (CM-S3-R3) provides essential durability for high-performance 2024+ Ford Coyote builds. Engineered to withstand high-RPM operation and increased oiling demands, this assembly replaces the factory components with precision-machined billet internals and a rigid billet back plate to prevent internal pressure loss.

• Billet Dual Rotors: Precision-machined for consistent oil flow and pressure stability at high engine speeds.
• Treated Gears: Hardened gear surfaces increase wear resistance and service life under extreme thermal and mechanical loads.
• Billet Back Plate: Eliminates the flexing issues common with OE stamped-steel covers, maintaining a tight seal and consistent clearances.
• Direct Replacement: Bolts to factory mounting points on the 5.0L engine block.
• Manufacturer Part Number: CM-S3-R3

Fits 2018-2023 Ford Coyote V8 engines.

Protect your high-performance Gen 3 engine with the Boundary CM-S2-R2 Billet Oil Pump Assembly. Designed specifically for the 2018-2023 Ford Coyote V8, this assembly replaces the failure-prone factory sintered gears with precision-engineered billet components. To ensure maximum durability under high-RPM stress and forced induction loads, Boundary utilizes their proprietary MartenWear treatment, which significantly increases surface hardness and reduces friction within the pump.

This assembly features a vane ported design to optimize oil flow and reduce cavitation at higher engine speeds, providing consistent oil pressure when your engine needs it most. Every unit is manufactured to tight tolerances to ensure a direct-fit replacement for the OE housing while providing superior mechanical strength.

• Part Number: CM-S2-R2
• Direct replacement for 2018-2023 Ford Coyote V8 oil pumps
• Billet steel gear construction prevents shattering common in OE sintered gears
• MartenWear treated gears for enhanced surface hardness and wear resistance
• Vane ported housing optimizes fluid dynamics for high-flow applications
• Assembled and inspected for precision clearances

Fits 2018-2023 Ford Mustang GT and F-150 models equipped with the 5.0L Coyote V8 engine.

Engineered for high-performance and high-RPM applications, the Boundary CM-S1-R2-BBP oil pump assembly addresses the inherent weaknesses of the factory oiling system. This complete assembly features a precision-machined billet backing plate, which significantly reduces housing flex compared to standard cast components. By maintaining a tighter seal and more consistent internal clearances, this pump ensures stable oil pressure and prevents cavitation during aggressive driving or high-load conditions.

• Direct replacement for the factory oil pump assembly
• Precision billet backing plate increases housing rigidity to prevent pressure loss
• Optimized for Gen 3 Coyote lubrication requirements
• Maintains critical internal tolerances under high-stress operation
• Includes pre-assembled housing and billet back plate
• Manufacturer Part Number: CM-S1-R2-BBP

Fits 2011-2017 Ford Mustang GT and F-150 models equipped with the 5.0L Coyote V8 engine.

The Boundary CM-S1 Oil Pump Assembly is a critical component for maintaining engine health and lubrication in the high-revving Ford Coyote V8. Designed to replace the factory unit, this complete assembly ensures consistent oil flow and pressure throughout the engine block, providing the reliability needed for both street and performance driving.

• Complete oil pump assembly for the 5.0L Coyote engine architecture
• Direct-fit replacement for 2011-2017 Mustang GT and F-150 V8 models
• Precision engineered to provide stable oiling for overhead cam systems
• Manufacturer Part Number: CM-S1

Fits 2011+ Ford Mustang GT and Shelby GT350 (5.0L/5.2L Coyote).

Protect your high-performance Coyote engine from catastrophic oil system failure with the Boundary Billet Oil Pump Gear. The factory sintered metal gears are a known weak point, prone to shattering under high-RPM stress, forced induction, or harmonic vibration. Boundary solves this with precision CNC-machined billet steel components designed for extreme duty.

This Vane Ported version is engineered to optimize flow characteristics and minimize cavitation during aggressive operation. Each gear undergoes a proprietary MartenWear treatment, which significantly increases surface hardness and reduces friction for maximum longevity and reliability in racing environments.

• Vane Ported design for improved oil flow at high RPM
• MartenWear treated for superior wear resistance and surface hardness
• CNC machined from high-strength billet steel
• Black finish for corrosion resistance
• Direct replacement for OE gear sets
• Manufacturer Part Number: CM-OPG-MUSTANG-VM

Fits 2020-2023 Ford Mustang GT500 and 2025 Ford Mustang GTD (5.2L).

The Boundary Billet Oil Pump Gear is a critical reliability upgrade for the high-performance 5.2L Predator and GTD engines. While factory gears are often constructed from powdered metal that can shatter under high RPMs, vibration, or increased power levels, Boundary gears are CNC-machined from high-strength billet steel to provide a significant increase in durability and peace of mind.

This component is essential for owners pushing their vehicles on the track or street where oil system integrity is paramount. By replacing the OE gear, you eliminate a known weak point in the engine's lubrication system, ensuring consistent oil flow even under extreme conditions.

• CNC-machined from aerospace-grade billet steel for superior strength
• Direct replacement for factory powdered metal gears
• Designed to handle the harmonics and stress of high-RPM operation
• Precision-ground tolerances for optimal oil pressure and flow
• Manufacturer Part Number: CM-OPG-GT500-VM

Protect your Coyote V8 from catastrophic oil pump failure with the Boundary Billet Oil Pump Gear. Specifically engineered for select 2011-2020 Ford F-150 (5.0L) applications, these gears replace the brittle factory sintered metal components that are prone to shattering under high-RPM stress or forced induction loads.

Machined from high-strength billet steel to exacting tolerances, this gear set provides the structural integrity required for performance builds. Whether you are installing a supercharger or simply want peace of mind during spirited driving, this upgrade is essential for maintaining consistent oil pressure and ensuring long-term engine survival.

• Fits select 2011-2014 and 2018-2020 Ford F-150 (5.0L Coyote V8)
• Precision machined from premium billet steel for maximum durability
• Direct replacement for vulnerable factory sintered metal gears
• Essential upgrade for forced induction or high-revving engine builds
• Manufacturer Part Number: CM-OPG-F150

Fits select 1989-2005 Ford and Mazda models equipped with the BP-series I4 engine.

The Boundary Oil Pump Shim Kit (BP-SH-K) provides a precise method for increasing oil pressure within your engine's lubrication system. By shimming the oil pump's relief valve spring, you can effectively compensate for pressure drops associated with external oil coolers or the high-volume demands of performance and high-RPM builds.

This kit allows for granular adjustments to your oiling system, providing the components needed to reach your target pressure safely. The included retaining pin ensures a secure fitment during installation or oil pump maintenance.

• Provides oil pressure increments of 7, 14, 21, 28, and 35 PSI
• Includes 1x Retaining Pin
• Compatible with all BP-series I4 engine variants
• Manufacturer Part Number: BP-SH-K

Fits 1991.5-2005 Ford and Mazda BP (All Types) I4 engines.

The Boundary BP-S2 Oil Pump Assembly provides critical lubrication management for the BP-series engine. This assembly is pre-configured with two shims to achieve a 72 PSI relief setting, ensuring stable oil pressure under high-load conditions and performance driving. Designed for professional engine builders, this unit replaces the factory assembly to provide improved flow characteristics and pressure control.

• Manufacturer Part Number: BP-S2
• Engine Application: 1.8L BP I4 (All Variants)
• Pressure Rating: 72 PSI
• Shim Configuration: 2 Shims
• Note: Supplied without front crank seal

The Boundary BP-S1 Oil Pump Assembly is a precision-engineered solution for 1991.5-2000 Ford and Mazda BP-series I4 engines. Designed specifically for non-VVT 1.6L and 1.8L applications, this assembly ensures consistent oil pressure and flow to protect critical engine components. It replaces the factory unit to provide reliable lubrication for both street and track-driven vehicles.

• Manufacturer Part Number: BP-S1
• Compatible Engines: 1.6L and 1.8L BP Non-VVT I4
• Vehicle Fitment: Select 1991.5-2000 Ford and Mazda models
• Note: Assembly is supplied without the front crank seal
• Engineered for exact factory mounting points

Fits select 2001-2005 Ford and Mazda models equipped with the BP VVT (Variable Valve Timing) I4 engine.

The Boundary Billet Oil Pump Gear (MPN: BP-OPG-VVT) provides critical engine protection for high-performance and high-revving BP-series engines. Factory oil pump gears are typically manufactured from sintered metal, which is prone to shattering under the stress of harmonic vibrations or elevated RPMs. This Boundary gear is CNC-machined from high-strength billet steel to ensure superior fatigue resistance and reliable oil pressure under demanding conditions.

• Precision CNC machined from high-strength billet steel
• Specifically engineered for 1.8L BP engines with Variable Valve Timing
• Increases reliability in track, forced induction, and high-RPM applications
• Direct-fit replacement for the original equipment (OE) gear
• Manufacturer Part Number: BP-OPG-VVT

Fits 1991.5-2000 Ford and Mazda models equipped with the BP Non-VVT I4 engine.

The Boundary BP-OPG-NON-VVT Billet Oil Pump Gear is a critical upgrade for high-performance builds and track-driven vehicles. Factory oil pump gears are typically manufactured from powdered metal, which is prone to shattering under high RPM, harmonic vibration, or increased oil pressure demands. Boundary addresses this failure point by CNC-machining these gears from high-strength billet steel, providing the structural integrity needed for forced induction or high-revving naturally aspirated applications.

• Precision CNC-machined from high-strength billet steel for superior durability over OE powdered metal
• Engineered to withstand high-RPM harmonics and increased oiling demands
• Direct replacement for the factory internal oil pump gears
• Specifically designed for the Ford/Mazda BP Non-VVT I4 platform
• Manufacturer Part Number: BP-OPG-NON-VVT

Fits 2003-2005 Dodge SRT4 with the A853 2.4L I4 engine.

The Boundary Oil Pump Assembly is a vital upgrade for maintaining consistent oil pressure and flow in the high-performance A853 engine. Designed to replace the factory unit, this assembly (MPN: A853-S1) ensures reliable lubrication throughout the RPM range, protecting critical internal components and supporting the needs of the turbocharged SRT4 platform. Precision engineering helps prevent pressure drops that can lead to premature bearing wear or turbocharger failure.

• Manufacturer Part Number: A853-S1
• Direct-fit replacement for the factory A853 engine oil pump
• Specifically designed for 2003-2005 Dodge SRT4 (2.4L) applications
• Maintains critical lubrication for high-demand performance engines

Fits 2003-2005 Dodge SRT4 (2.4L).

Protect your engine from oiling system failure with the Boundary Billet Oil Pump Gear. Designed as a high-strength upgrade for the A853 engine, these gears replace the brittle factory internals that are susceptible to shattering under high-RPM stress or high-horsepower loads. Machined from premium billet steel, this gear set ensures consistent oil pressure and long-term durability for both street and competitive track use.

• CNC-machined from high-strength billet steel
• Engineered to prevent failure in high-performance A853 engines
• Direct replacement for factory oil pump internals
• Maintains critical lubrication under extreme operating conditions
• Manufacturer Part Number: A853-OPG