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We offer only the best piston rings for our engine rebuilds. With years of experience building Chrysler engines, you can trust us to supply you with the best parts to build a reliable engine.

Plasma moly's incredible bonding strength results in a high resistance to heat, flaking, and cylinder scuffing. Increased porosity improves top ring lubrication.

This piston ring set is suitable for Chrysler RB 440 engines that are built for high performance using pistons that require a narrow grove ring set.

Recommended for all racing applications (where file fitting the ring end gap will deliver maximum power)

Ring Specifications

• Diameter: 4.325"  suit 4.320" bore (Standard)
  
• Top ring: 1/16" Plasma moly-coated
  
• 2nd ring: 1/16" cast iron
  
• 3rd ring: 3/16" Oil Ring

With over 70 years of experience, JE Pistons is the leader in high performance forged pistons. They have built a reputation that the competition can only follow. JE has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts trust and rely on.

The top engine builders in NASCAR, ALMS, NHRA, AMA Supercross and others choose JE Pistons over any other brand. For over 70 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilizing State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances to millionths of an inch. 

The JE quality management system is ISO 9000:2015 certified. JE provides customers the highest standards in quality control. In addition,  also have State-Of-The-Art inspection equipment and testing equipment.