Description
If you’re boring out your 8-cylinder engine or rebuilding with a 4.040-inch bore, ring selection directly impacts compression, blow-by, and oil consumption. MAHLE’s file-fit plasma moly rings give you the precision fit and durability needed for consistent power delivery and longevity, whether you’re tuning a street engine or running at the strip. These rings are engineered to handle the demands of high-performance operation without compromise.
- Bore Size: 4.040 inches
- Ring Dimensions: 1.5 x 1.5 x 3.0 mm
- Material: Plasma moly
- Ring Type: File-fit
- Tension: Standard
- Engine Type: 8-cylinder
- Includes: Top, second, oil rings
- Installation: File-fit requires honing






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