Boundary Oil Pump Assembly — Fits 89-91.5 Ford Mazda BP 1.6L I4

SKU: BOUBP-S2-SNC
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Sale price$515.90
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Boundary

Boundary engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Boundary lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Oiling for Early BP 1.6L Engines

Restore and upgrade the oiling system of your early 1989 to 1991.5 Ford or Mazda BP 1.6L engine with the Boundary Oil Pump Assembly. These early engines are the foundation of many classic builds, and ensuring they have reliable oil pressure is critical for longevity. Boundary provides a robust solution that replaces aging factory components with modern, high-strength billet technology.

Engineered for Classic Performance

  • Billet Gear Construction: Features 4140 chromoly steel gears for unmatched strength compared to OEM units.
  • Perfect Fitment: Specifically designed for the 89-91.5 BP 1.6L engine block.
  • Reliability Upgrade: Eliminates the common failure points found in original oil pumps.
  • Precision Machining: Ensures optimal oil flow and pressure stability for your classic engine.

Whether you are performing a full engine rebuild or simply replacing a failing pump, the Boundary assembly is the superior choice. The use of billet gears means you are installing a component that is far more resistant to the harmonic vibrations common in these engines. This is an essential upgrade for anyone looking to keep their classic BP-powered vehicle on the road or the track for years to come. Don't risk your engine's health with an old, worn-out pump. Trust in the proven engineering of Boundary to provide the oil pressure stability your engine deserves. Secure your high-performance oil pump assembly today at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Boundary

Boundary engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Boundary lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Oiling for Early BP 1.6L Engines

Restore and upgrade the oiling system of your early 1989 to 1991.5 Ford or Mazda BP 1.6L engine with the Boundary Oil Pump Assembly. These early engines are the foundation of many classic builds, and ensuring they have reliable oil pressure is critical for longevity. Boundary provides a robust solution that replaces aging factory components with modern, high-strength billet technology.

Engineered for Classic Performance

  • Billet Gear Construction: Features 4140 chromoly steel gears for unmatched strength compared to OEM units.
  • Perfect Fitment: Specifically designed for the 89-91.5 BP 1.6L engine block.
  • Reliability Upgrade: Eliminates the common failure points found in original oil pumps.
  • Precision Machining: Ensures optimal oil flow and pressure stability for your classic engine.

Whether you are performing a full engine rebuild or simply replacing a failing pump, the Boundary assembly is the superior choice. The use of billet gears means you are installing a component that is far more resistant to the harmonic vibrations common in these engines. This is an essential upgrade for anyone looking to keep their classic BP-powered vehicle on the road or the track for years to come. Don't risk your engine's health with an old, worn-out pump. Trust in the proven engineering of Boundary to provide the oil pressure stability your engine deserves. Secure your high-performance oil pump assembly today at GGCRACING.

Product Details

Product Description

About Boundary

Boundary engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Boundary lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Oiling for Early BP 1.6L Engines

Restore and upgrade the oiling system of your early 1989 to 1991.5 Ford or Mazda BP 1.6L engine with the Boundary Oil Pump Assembly. These early engines are the foundation of many classic builds, and ensuring they have reliable oil pressure is critical for longevity. Boundary provides a robust solution that replaces aging factory components with modern, high-strength billet technology.

Engineered for Classic Performance

  • Billet Gear Construction: Features 4140 chromoly steel gears for unmatched strength compared to OEM units.
  • Perfect Fitment: Specifically designed for the 89-91.5 BP 1.6L engine block.
  • Reliability Upgrade: Eliminates the common failure points found in original oil pumps.
  • Precision Machining: Ensures optimal oil flow and pressure stability for your classic engine.

Whether you are performing a full engine rebuild or simply replacing a failing pump, the Boundary assembly is the superior choice. The use of billet gears means you are installing a component that is far more resistant to the harmonic vibrations common in these engines. This is an essential upgrade for anyone looking to keep their classic BP-powered vehicle on the road or the track for years to come. Don't risk your engine's health with an old, worn-out pump. Trust in the proven engineering of Boundary to provide the oil pressure stability your engine deserves. Secure your high-performance oil pump assembly today at GGCRACING.

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