Speed Pro 158M Engine Crankshaft Main Bearing Set

Speed Pro 158M Main Bearing Set

Speed Pro 158M is a standard-size engine crankshaft main bearing set for the Ford 2.0L Zetec DOHC L4 platform. Built with a steel-backed, overplated bronze alloy and a Super Duty Alloy construction, it is aimed at performance-minded rebuilds that need consistent crankshaft support and accurate bearing fit.

Use this main bearing set for Ford Escort, Focus, Contour, and Mercury Cougar or Mystique applications that call for a standard main bearing configuration. The 3/4 groove design supports oiling in the engine block’s main bearing system, and the standard-.026MM sizing helps match OE-style rebuild requirements.

Key Features

• Engine crankshaft main bearing set for Ford 2.0L Zetec DOHC applications
• Standard size: Std-.026MM
• 3/4 groove bearing design
• Steel backed overplated bronze alloy bearing material
• Super Duty Alloy construction
• Competition Series application
• Part number 158M

Detailed Description

Speed Pro 158M is built for the Ford L4 2.0L Zetec DOHC engine family and is intended for standard main bearing service in performance rebuilds and maintenance work. The steel-backed, overplated bronze alloy construction provides the bearing structure needed for crankshaft support, while the 3/4 groove layout helps maintain oil distribution at the main journals. This part number 158M is a direct-fit style choice for rebuilders working on Ford Escort, Ford Focus, Ford Contour, Mercury Cougar, and Mercury Mystique engines within the listed model years.

This part cross-references Monroe Shocks & Struts (e.g., MS2208H) for the same application.

What It Helps Address

• Crankshaft main bearing wear during engine rebuilds
• Incorrect bearing size selection for standard journal service
• Oil film inconsistency at the main journals
• Noise or clearance issues related to worn main bearings
• Restoration work on Ford 2.0L Zetec DOHC engines

Installation Notes and Tips

• Verify crankshaft journal condition and bearing clearance before final assembly.
• Confirm the engine is a Ford 2.0L Zetec DOHC L4 before ordering.
• Match the standard-.026MM sizing to the crankshaft and block measurements.
• Clean all bearing surfaces and oil passages thoroughly during assembly.
• Follow factory torque and lubrication procedures for the engine build.

Quality Assurance

Speed Pro positions this component as a value-focused performance engine part for track use, street driving, and rebuild applications. Part number 158M is built to support Ford 2.0L Zetec DOHC main bearing service with the material and sizing details listed above.

Fits 1998-2002 Ford Escort, N/A. Fits 2000-2002 Ford Focus, N/A. Fits 1995-2000 Ford Contour, N/A. Fits 1999-2002 Mercury Cougar, N/A. Fits 1995-2000 Mercury Mystique, N/A.