Mechanical, Ford 6cyl, Replacement 4.5-5.5psi, 1/2"-20 unf 5/16 Barb, XR, XT, XW, XY, XA, XB, 170, 200, 221, 250

Proflow Mechanical Fuel Pump for Ford 6-Cylinder (XR, XT, XW, XY, XA, XB)

This Proflow mechanical fuel pump is engineered as a precise, direct-fit replacement for worn or faulty factory pumps in classic Ford six-cylinder engines. Designed to meet or exceed OEM performance, it restores reliable fuel delivery for stock and mildly modified setups, all while preserving the original factory appearance and dimensions.

• Application: Ford 6-cylinder engines, including XR, XT, XW, XY, XA, XB
• Engine compatibility: Fits 170, 200, 221, 250 cubic-inch configurations
• Pressure: Replacement 4.5–5.5 psi, calibrated for consistent metering across RPMs
• Inlet: 1/2"-20 UNF thread
• Outlet: 5/16" barb

Why choose this Proflow pump?

• Built to deliver reliable fuel flow and dependable performance across a range of operating conditions, ensuring smooth starts and steady acceleration.
• Constructed with a precision-cast housing that matches OEM form factors for a clean, factory look during installation.
• Equipped with a high-quality diaphragm and heat-treated operating lever to extend service life and maintain consistent operation under heat and vibration.

Design, fit and installation

Engineered to be a faithful replacement, this pump maintains the classic exterior while upgrading internal components for longevity. It is designed for straightforward installation on compatible Ford six-cylinder models, with correct inlet and outlet connections clearly specified to support a secure, leak-free setup.

Use cases and benefits

• Ideal for restorations seeking OEM appearance with modern reliability on XR/XT/XW/XY/XA/XB Ford six-cylinders
• Suitable for engines in stock form or with mild performance enhancements that require stable fuel pressure around 4.5–5.5 psi
• Great option for replacing failing factory pumps to restore consistent fuel delivery and drivability