Boundary BP-S2 High-Flow Oil Pump Assembly for 1991.5-2005 Mazda Miata BP I4

Vehicle Fitment

• 1991.5-2005 Mazda Miata (BP I4, Non-VVT/VVT)
• 1991-2000 Ford Escort GT (BP I4, Non-VVT)
• 1991-2000 Ford Escort LX-E (BP I4, Non-VVT)

Features

• High-flow Stage II design with larger gears
• Enhanced oil flow and pressure for high-performance applications
• Compatible with both VVT and Non-VVT BP I4 engines
• Shimmed to increase maximum warm pressure from 60 PSI to 72 PSI
• Billet chromoly steel construction for durability
• Mirror-finished and surface-hardened gears for reduced friction
• Designed to support engines up to 10,000 RPM
• Each unit hand, machine, and hardness inspected with blueprinting report

Specifications

• Material: Billet chromoly steel
• Finish: Mirror-finished and surface-hardened
• Maximum RPM: 10,000
• Maximum warm pressure: 72 PSI
• Compatibility: 1991.5-2005 Mazda Miata BP I4, 1991-2000 Ford Escort GT BP I4
• Shims: 2 shims included
• Crank Seal: Not included (customers must provide their own)

Included Components

• 1x High-flow oil pump assembly with billet gears
• 2x Shims (72 PSI pressure setting)
• 1x Blueprinting report

Product Description

The Boundary BP-S2 High-Flow Oil Pump Assembly is engineered to provide enhanced oil flow and pressure for 1991.5-2005 Mazda Miata and 1991-2000 Ford Escort GT models equipped with the BP I4 engine. This Stage II pump features larger gears and a deeper pocket machined into the oil pump, increasing overall flow and ensuring compatibility with both VVT and Non-VVT configurations.

Constructed from billet chromoly steel, the pump is designed to withstand high-performance conditions, supporting engines up to 10,000 RPM. The mirror-finished and surface-hardened gears reduce friction, while the included shims increase maximum warm pressure to 72 PSI. Please note that the crank seal is not included and must be provided by the customer.

Each unit undergoes rigorous hand, machine, and hardness inspection, accompanied by a blueprinting report to ensure quality and reliability. Ideal for enthusiasts seeking to maximize engine performance, the BP-S2 oil pump assembly is a critical upgrade for high-output BP I4 engines.