BCBC MR-923 Engine Rocker Arm

Overview

This Melling engine rocker arm is a standard replacement component for stock valve train service. Built from cast steel with an anti-rust finish, it is a non-roller, self-aligning rocker arm with shaft mounting for applications that match the original design.

Fits 1986-1992 Ford Ranger, N/A. Fits 1986-1990 Ford Bronco II, N/A. Fits 1988-1989 Merkur Scorpio, N/A. Part number MR-923 is listed for these stock applications and cross-references 40-1806 for the same application.

Key Features

• Cast steel construction for valve train service.
• Non-roller rocker arm design.
• Anti-rust finish for added surface protection.
• Self-aligning design for matched OEM-style geometry.
• Shaft-mounted configuration.
• Standard replacement part for stock engine rebuild work.

Detailed Description

Melling MR-923 is an engine rocker arm intended for stock valve train applications where the original design uses a shaft-mounted, self-aligning, non-roller rocker. The cast steel construction and anti-rust finish support dependable service in rebuild and repair work. Melling states that its rocker arms are made in the USA and are offered for domestic and import applications, with material selection based on OEM design requirements. Part number MR-923 is a direct reference for these applications and is also associated with cross-reference 40-1806.

For Ford Ranger, Ford Bronco II, and Merkur Scorpio applications, this rocker arm provides a standard replacement option when servicing the engine's valve train. Melling recommends replacing rocker arms and related components during an engine rebuild to maintain proper operation and efficient performance.

What It Is Used For

• Worn or noisy rocker arm replacement.
• Valve train service during engine rebuilds.
• Restoring proper rocker arm geometry in stock applications.
• Replacing a damaged shaft-mounted rocker arm.
• Addressing surface wear or corrosion on the original part.

Installation Notes

Verify shaft-mounted, self-aligning, non-roller specifications before installation. Match the replacement to the original OEM design and inspect related valve train components during service. Follow factory procedures for engine rebuild and valve train assembly.

Quality Assurance

Melling identifies this rocker arm as a standard replacement part made in the USA and built using established manufacturing processes and material selection for engine service.