BCBC MR-1267 Engine Rocker Arm - Exhaust 2-4

Engine Rocker Arm Overview

The Melling MR-1267 engine rocker arm is a standard replacement valve train component built for stock applications that require a shaft-mounted, self-aligning design. It uses cast steel construction with an anti-rust finish for dependable service in rebuild and repair work.

Compatible with Nissan Pickup, Nissan Axxess, Nissan D21, Nissan Stanza, and Nissan 240SX exhaust 2-4 applications, this rocker arm supports precise valve train motion in the specified exhaust positions. The MR-1267 is a practical choice when replacing worn rocker arms during engine service.

Key Features

• Cast steel construction for strength in valve train service
• Non-roller rocker arm design for stock-style applications
• Anti-rust finish helps resist surface corrosion
• Self-aligning design for proper valve train alignment
• Shaft mounting type for the listed applications
• Standard replacement part for engine rebuild work

Detailed Description

Melling MR-1267 is an engine rocker arm engineered for exhaust 2-4 fitments across select Nissan applications. It is built from cast steel and uses a non-roller, self-aligning configuration with shaft mounting, matching the requirements of stock-style valve train setups. This part number, MR-1267, is listed for Nissan Pickup, Nissan Axxess, Nissan D21, Nissan Stanza, and Nissan 240SX applications where the original design calls for this rocker arm style.

Melling supplies rocker arms for domestic and import applications, and this part follows a standard replacement format for rebuilds and repairs. The anti-rust finish adds surface protection, while the cast steel material supports consistent operation in the valve train. If you are replacing a worn rocker arm during engine service, MR-1267 provides the specified configuration for the listed Nissan models.

This part cross-references Monroe Shocks & Struts (e.g., 40-9100, 180-1267) for the same application.

Common Issues This Part May Address

• Excessive valve train noise from a worn rocker arm
• Improper valve motion caused by damaged rocker arm geometry
• Surface wear or corrosion on the original component
• Loss of alignment in shaft-mounted valve train assemblies
• Need for a replacement during engine rebuild service

Installation Notes and Tips

Verify the engine’s original rocker arm design, mounting style, and exhaust position before installation. This part is listed for exhaust 2-4 applications only, so confirm the fitment details against the vehicle’s service information. Replace related valve train components as needed during rebuild work to maintain proper operation.

Quality Assurance

Melling recommends replacing rocker arms and related components during every engine rebuild to support long engine life and efficient performance. MR-1267 is built using established manufacturing processes and materials selected for standard replacement service.