Carrillo CPN-3189 Piston Ring Set 81mm Bore 1.0mm x 1.2mm x 2.8mm

The Carrillo CPN-3189 is a high-performance piston ring set engineered for 81mm bore pistons, designed specifically for small bore and sport compact engines with high cylinder pressure. This professional-grade ring set delivers exceptional sealing power with minimal friction, making it ideal for performance and racing applications.

Ring Package Specifications:

• Gas nitrided steel 1.0mm top compression ring for superior durability and reduced friction
• Taper hook groove (THG) Napier style 1.2mm second ring that acts as an oil wiper
• Low tension 2.8mm flex vent oil ring for optimal oil control
• 81mm (3.189") bore size
• Sold per cylinder (order quantity needed for complete engine)

Key Features:

• Compatible with modern cylinder materials including Nikasil coatings
• High strength, low tension design offers optimum sealing with minimum drag
• Cast iron second ring with taper underhook groove face pushes oil away from combustion chamber
• Precision manufactured to CP-Carrillo's exacting specifications
• Made in the USA with quality materials

CP-Carrillo piston rings are engineered to meet the demanding requirements of high-performance engines, providing superior sealing and durability for street, strip, and racing applications. The gas nitrided top ring provides excellent wear resistance while the specialized second ring design ensures proper oil control without excessive drag.