BBTV 2M5097 Engine Piston Ring

Engine Piston Ring Set Overview

This engine piston ring set, part number 2M5097, is built for 3.917-inch (99.50 mm) bores with standard oversize sizing. It is specified for a range of Chrysler, Dodge, and Jeep V8 applications, including Chrysler 300, Dodge Charger, and Jeep Grand Cherokee models.

Key Features

• Part number 2M5097 for direct catalog matching.
• Standard oversize configuration for 3.917-inch / 99.50 mm engine bores.
• Plasma moly top ring surface for improved wear resistance.
• Chrome-treated first oil ring surface for controlled oil management.
• Phosphate-treated second ring surface with grey iron construction.
• Steel top ring material for demanding engine service.

Detailed Description

Part number 2M5097 is an engine piston ring set engineered around a standard bore size and ring package dimensions that match the listed applications. The ring design uses a plasma moly top ring, a chrome-treated first oil ring, and a phosphate-treated second ring to support sealing and oil control in compatible V8 engines. This part number 2M5097 is listed across multiple Chrysler, Dodge, and Jeep platforms, including Dodge Ram 1500, Dodge Charger, and Chrysler 300 applications.

The fitment data shows compatibility with 2002-2008 Chrysler, Dodge, and Jeep vehicles, with the broadest coverage concentrated in 2003-2008 Dodge Ram 1500, Ram 2500, and Ram 3500 applications. Use this ring set when replacing worn piston rings in engines that require the specified bore and groove dimensions.

What It Is Used For

• Restoring cylinder sealing when compression has dropped.
• Reducing oil consumption caused by worn ring faces or grooves.
• Addressing blow-by from tired piston ring assemblies.
• Replacing rings during an engine rebuild or overhaul.
• Matching the specified bore and groove dimensions in listed V8 engines.

Installation Notes and Tips

Confirm bore size, groove dimensions, and ring end gap before installation. Clean piston ring grooves thoroughly and inspect cylinders for taper, scoring, or out-of-round conditions before assembly. Follow the engine builder’s service procedures for ring orientation, gap placement, and break-in.

Quality Assurance

This part cross-references Monroe Shocks & Struts (e.g., 5086 002AA, 5086 002AB) for the same application. Verify all measurements against the engine specification before final assembly.