BCBC MR-867 Engine Rocker Arm

Engine Rocker Arm for Stock Applications

The Melling MR-867 is a standard replacement engine rocker arm built for stock valve train applications. It is made in the USA and uses stamped steel construction with an anti-rust finish for dependable service in rebuilds and maintenance work.

Key Features

• Stamped steel rocker arm with a non-roller design
• Self-aligning construction for proper valve train tracking
• Anti-rust finish for added surface protection
• Shaft mounting type for stock-style engine assemblies
• Standard replacement grade for rebuild service
• Made in the USA

Detailed Description

The MR-867 rocker arm is listed for domestic and import engine applications where a stamped steel, self-aligning, shaft-mounted rocker is required. Melling builds this part using established manufacturing processes and materials selected for rebuild use. The 0.486-inch slot width and standard replacement design make it a direct service part for compatible Chevrolet and GMC engines, including applications such as Chevrolet Camaro, Chevrolet Chevelle, and GMC C3500. This part number, MR-867, is commonly referenced in valve train service work where stock geometry and reliable operation are important.

Melling recommends replacing rocker arms and related components during an engine rebuild to support long service life and efficient performance. The MR-867 is suited to stock valve train service across a wide range of Chevrolet and GMC passenger car, van, and truck applications.

What It Is Used For

• Worn or noisy rocker arm replacement
• Valve train service during engine rebuilds
• Restoring proper valve actuation in stock engines
• Replacing damaged stamped steel rocker arms
• Addressing alignment issues in shaft-mounted assemblies

Installation Notes and Tips

Verify rocker arm style, mounting type, and slot width before installation. This part is intended for stock applications that use a self-aligning, shaft-mounted, non-roller rocker arm. Inspect related valve train components during service and replace worn parts as needed to maintain correct operation. Confirm fitment against the vehicle application list before ordering.

Quality Assurance

Melling manufactures this rocker arm in the USA and specifies it as a standard replacement part for rebuild service. The brand recommends renewing rocker arms and related components during engine rebuilds to help maintain efficient performance and long engine life.