CP-Carrillo CPN2-3858 98.00mm Piston Ring Set

CP-Carrillo CPN2-3858 98.00mm Piston Ring Set

The CP-Carrillo CPN2-3858 Piston Ring Set is a premium replacement ring package engineered to restore optimum sealing, compression retention and oil control in compatible 98.00mm CP-Carrillo forged piston assemblies. Developed for high-cylinder-pressure sport compact and performance engines, the CPN2 series offers exceptional durability, reduced friction and dependable sealing in both naturally aspirated and forced-induction applications.

Designed for a 3.858 inch (98.00mm) bore, the CPN2-3858 incorporates a 1.0mm gas-nitrided steel top compression ring, a 1.2mm taper hook groove (THG) Napier-style second ring and a 2.0mm low-tension oil control ring. Compatible with Nikasil, Alusil and cast-iron cylinder bores, it provides excellent compression retention and oil control while minimising friction. :contentReference[oaicite:3]{index=3}

Features

• Genuine CP-Carrillo CPN2 piston ring set

• Designed for a 98.00mm (3.858 inch) cylinder bore

• 1.0mm gas-nitrided steel top compression ring

• 1.2mm THG Napier-style second ring

• 2.0mm low-tension oil control ring

• Excellent cylinder sealing and compression retention

• Optimised oil control for reduced oil consumption

• Low-friction design for improved engine efficiency

• Suitable for naturally aspirated and forced-induction engines

• Supplied as a complete ring set for one piston

Designed to complement CP-Carrillo's renowned forged piston range, the CPN2-3858 Piston Ring Set delivers the durability and sealing performance required for professional engine rebuilds and serious motorsport applications.

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