Carrillo CPN2-2-3819 2-Ring Piston Ring Pack 97mm

The CP-Carrillo CPN2-2-3819 is a high-performance 2-ring piston ring pack designed for a 97.00mm bore diameter. Engineered by CP-Carrillo — a leading manufacturer of race-grade engine components — this ring pack is built to deliver superior sealing performance, reduced friction, and lasting durability in demanding powersports applications.

The CPN2-2 series ring pack is sold on a per-cylinder basis, making it easy to order exactly what your build requires. Multi-cylinder engines will require one pack per cylinder.

Ring Pack Includes:

• Gas Nitrided Steel 1.0mm Top Ring — hardened compression ring providing excellent wear resistance and sealing under high-combustion pressure
• 2.0mm Flex Vent Oil Ring — controls oil consumption and maintains proper cylinder wall lubrication

Specifications:

• Bore Size: 97.00mm
• Ring Configuration: 2-Ring Pack
• Top Ring: Gas Nitrided Steel, 1.0mm
• Oil Ring: 2.0mm Flex Vent
• Quantity: Per cylinder

CP-Carrillo recommends plateau honing the cylinder bore with a cross-hatch angle of 35–40 degrees prior to installation for optimal ring seating and break-in performance. These rings are compatible with CP-Carrillo's CPN and CPN2 series pistons.