Victor 41851CP Chrome Piston Ring Set Engine Rebuild

The Victor 41851CP is a chrome piston ring set engineered to OE form, fit, and function for precise engine rebuilds and overhauls. Manufactured under the Victor Reinz brand — part of the MAHLE family of engine components — this ring set is built to meet or exceed original equipment standards for reliable, long-lasting performance.

Constructed with a chrome-faced top compression ring, this set is designed for durability under demanding operating conditions. The ring materials, coatings, and tension levels are optimized to reduce friction, minimize engine oil consumption, and extend service life. The compression rings feature a barrel-faced contact area for efficient cylinder sealing and a CNC-controlled gap chamfer to reduce blow-by.

Key Features:

• Chrome-faced top compression ring for extended wear resistance
• SAE 9254 high-alloy steel base material for superior tensile strength, fatigue resistance, and hardness
• Intermediate rings with reverse twist design for improved groove side sealing
• CP-20 oil ring assembly with exclusive 20-degree ear angle for optimal side seal in the oil ring groove
• Pre-lapped rings seat quickly, minimizing engine break-in time
• Designed with OE form, fit, and function for a direct replacement
• Installer-friendly design reduces the risk of improper installation

Cross-Reference Part Numbers: 2C4759, 4741401, H901KC, M87534, RSC26

The Victor 41851CP piston ring set is a trusted choice for engine builders and technicians performing cylinder head work, engine overhauls, or complete rebuilds requiring a quality OE-spec replacement ring set.