DJ Rock PR4214 Engine Piston Ring Set

Engine Piston Ring Set for Ford Super Duty Applications

DJ Rock PR4214 is a premium engine piston ring set built for precise sealing between the piston and cylinder wall. It is engineered for Ford truck and van engine rebuilds that require consistent compression control, oil regulation, and heat transfer across all cylinders.

• Premium-grade piston ring set for engine service and rebuild work
• Top compression ring thickness: 2.4 mm
• Second compression ring thickness: 2.0 mm
• Oil ring thickness: 3.5 mm
• Bore diameter: 95 mm
• Manufactured from cast iron or steel alloy materials for wear resistance and thermal stability
• Surface treatments such as chrome plating, molybdenum coating, or nitriding are used to improve sealing and reduce friction
• Interchange reference: 2C5374

Detailed Product Overview

PR4214 is an engine piston ring set for applications that require accurate ring dimensions and dependable cylinder sealing. The ring package is built around the listed thickness specifications and 95 mm bore diameter, making it a direct-match service part for rebuilds where compression retention and oil control are critical. This part number, PR4214, is associated with Ford E-350 Super Duty, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford E-350 Club Wagon, and Ford Excursion engine service applications.

DJ Rock piston ring sets are manufactured to meet or exceed OEM quality standards and use materials selected for strength and thermal stability. For buyers searching for a Ford Super Duty piston ring set, Ford Excursion piston ring set, or PR4214 engine ring set, this part provides the dimensional details needed for accurate engine work.

Common Issues This Part Addresses

• Low compression caused by worn or damaged piston rings
• Excessive oil consumption from poor oil control ring sealing
• Blow-by from reduced cylinder sealing
• Uneven cylinder performance during engine rebuilds
• Loss of heat transfer between the piston and cylinder wall

Installation Notes and Tips

Verify bore diameter, ring thickness, and engine specifications before installation. Ring end gaps should be measured and set to the engine builder’s specifications, and cylinder walls should be inspected for wear, taper, or scoring before assembly. PR4214 is listed for complete engine service on 2003-2010 Ford applications, including 2004-2010 Ford E-350 Super Duty, 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, 2004-2005 Ford E-350 Club Wagon, and 2003-2005 Ford Excursion.

Quality Assurance

DJ Rock manufactures this piston ring set to meet or exceed OEM quality standards. The brand also offers related engine components, including pistons, connecting rod bearing sets, crankshaft main bearing sets, and complete engine rebuild kits for coordinated engine service.