BCBC MR-850 Engine Rocker Arm - Left

Engine Rocker Arm Overview

This Melling engine rocker arm is a standard replacement part for a wide range of classic Chrysler, Dodge, and Plymouth applications. It uses stamped steel construction, a non-roller design, and a self-aligning shaft mount to match the needs of stock-style valve train service. Part number MR-850 is built for left-side fitment across many compatible applications.

Key Features

• Stamped steel rocker arm construction
• Non-roller design for stock-style valve train setups
• Self-aligning design for proper valve train tracking
• Anti-rust finish for added surface protection
• Shaft mounting type for OE-style installation
• Standard replacement grade for rebuild and service work

Detailed Description

Melling MR-850 is an engine rocker arm intended for left-side applications in many Chrysler, Dodge, and Plymouth engines. The stamped steel body and anti-rust finish support dependable service in rebuilds where original-style valve train geometry matters. As a shaft-mounted, self-aligning, non-roller rocker arm, it suits stock replacement work on vehicles such as the Dodge Charger, Plymouth Fury, and Chrysler Newport. Melling part number MR-850 is also listed for domestic and import applications, and the brand recommends replacing rocker arms and related components during an engine rebuild to maintain efficient performance and long engine life.

Common Uses

• Replacing a worn or damaged rocker arm during engine rebuilds
• Restoring proper valve actuation in stock-style valve trains
• Addressing noise or irregular operation from rocker arm wear
• Correcting alignment issues in shaft-mounted rocker assemblies
• Servicing classic Chrysler, Dodge, and Plymouth engines

Installation Notes and Tips

Verify left-side fitment against the vehicle listing before ordering. Confirm shaft-mounted valve train configuration and match the rocker arm type to the original design. Inspect related valve train components during installation, and replace worn parts as part of a complete rebuild. Part number MR-850 should be matched carefully to the engine application and OEM specifications.

Quality Assurance

Melling manufactures this rocker arm in the USA and specifies standard replacement construction using stamped steel and controlled manufacturing processes. Part number MR-850 is backed by Melling's application coverage for domestic and import engine service.