Victor 41510CP.030 Plasma-Moly Piston Ring Set Bore - 4.030 L4

The Victor 41510CP.030 is a premium plasma-moly piston ring set designed for 4-cylinder (L4) engines with a 4.030-inch overbore.

Manufactured to MAHLE Original quality standards — the same engineering team behind the Victor brand — these rings are pre-lapped to seat immediately, virtually eliminating break-in time and getting your engine back into service faster.

Key Features:

• Plasma-moly top compression ring with barrel-faced contact area for efficient compression and reduced blow-by
• CNC-controlled gap chamfer on compression rings to optimize sealing and minimize combustion pressure loss
• Intermediate ring with reverse twist design for superior groove side sealing and taper race machining for enhanced cylinder wall contact
• CP-20 oil ring assembly with 20-degree ear angle for maximum side sealing against the cylinder wall
• Shallow oil ring groove design compatible with applicable L4 engine applications
• Ring materials, coatings, and tension optimized for reduced friction and extended service life
• Pre-lapped for immediate seating — minimal break-in required

The Victor 41510CP.030 piston ring set delivers OE-quality engineering in an installer-friendly package, making it an ideal choice for engine rebuilders and machine shops working with 4.030-inch overbore L4 engine applications.