Carrillo CPN-3248 Piston Ring Set Bore - 82.5mm

The Carrillo CPN-3248 is a high-performance piston ring set designed for 82.5mm (3.248") bore applications. This listing includes rings for one piston, so multiple sets are required for complete engine rebuilds.

Ring Configuration:

• 1.0mm top ring - THG (gas nitrided steel)
• 1.2mm Napier second ring
• 2.8mm flex vent oil ring

Key Features:

• Gas nitrided steel top ring compatible with Nikasil and cast iron bores for scuff resistance
• High strength, low tension design offers optimum sealing with minimum drag
• Cast iron second ring with taper hook groove face
• Designed to seal the combustion chamber preventing gas entry to crankcase and oil entry to combustion chamber
• Nitriding ensures extended life and protection under extreme conditions

This ring set is compatible with CP piston part numbers SC7618, SC7608, SC7620, SC7630, SC7640, SC7603, SC7483, and SC7481. Ideal for engine rebuilds, performance builds, and applications experiencing oil consumption or compression loss.