Boundary BP-BBP Billet Back Plate for Ford/Mazda BP Engine

The Boundary BP-BBP is a high-performance billet back plate engineered specifically for Ford/Mazda BP engines (all types), including the popular Miata and MX-5 platforms. This precision-machined component is designed to optimize oil pump performance and enhance engine lubrication under high-stress conditions.

Key Features:

• CNC-machined from billet steel for exceptional rigidity—5 times stronger than aluminum alternatives
• Advanced CFD simulation engineering reduces leak-by, aeration, and cavitation while increasing high-RPM oil flow
• MartenWear surface treatment provides superior durability and extended service life
• Surface-ground mating surfaces create an optimal pump seal to minimize blow-by and air ingestion
• Increased oil volume and reduced foam formation enhance engine bearing longevity
• Manufactured in Dallas, Texas using state-of-the-art CNC milling equipment

Boundary Engineering specializes exclusively in aftermarket lubrication systems, bringing over two decades of racing-proven expertise to every component. This back plate delivers the performance advantage serious street and track enthusiasts demand from their high-performance builds.