SKU: MAH4260MS-112
MPN: 4260MS-112
The Piston Ring 4.260 File Fit Bore 1.0 1.0 2.0mm from MAHLE PISTONS is an OEM-quality replacement ring set designed for precision engine rebuilds and high-performance modifications. This component is essential for mechanics or engine builders restoring classic or modern engines to factory specifications or preparing them for upgraded boost levels.
File-fit rings require hand-fitting during installation, allowing for optimal ring gap clearance tailored to specific bore diameters and the engine's intended duty cycle. The 4.260-inch bore specification indicates compatibility with mid-sized displacement engines commonly found in performance applications and restoration projects. The ring stack configuration—1.0mm, 1.0mm, and 2.0mm—represents the compression ring, second ring, and oil control ring thicknesses, respectively, ensuring effective blowby control, oil management, and durability across various RPM ranges.
This ring set is ideal for enthusiasts rebuilding vintage muscle cars, street rods, or modern engines stepping up to forced induction, where tight tolerances and optimized ring sealing directly impact power output and longevity. MAHLE's manufacturing precision guarantees minimal groove wear and consistent sealing geometry, making it a reliable choice for high-performance applications.
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