SKU: NPR20-GNHM4030K8
MPN: 20-GNHM4030K8
The Perf. Piston Ring Set V8 4.030 Bore 1.2x1.5x3.0 from NPR PISTON RINGS is engineered for serious engine builders and high-performance enthusiasts who demand precision compression and durability in demanding V8 applications. This ring set is specifically designed for oversized 4.030-inch bores, making it ideal for stroker builds and performance upgrades in competitive racing engines.
The 1.2mm compression, 1.5mm secondary, and 3.0mm oil control ring configuration represents a proven balance of structural rigidity and thermal expansion control. These rings work together to manage combustion pressures and regulate crankcase ventilation, ensuring optimal performance under high RPM conditions. NPR's manufacturing process guarantees tight tolerances and consistent gap clearances across the full ring set, which is critical for achieving proper sealing at elevated boost levels.
This piston ring set is essential for anyone machining an overbore engine or enhancing a high-performance V8. Proper installation requires careful ring gap measurement and groove preparation to ensure optimal performance and longevity in demanding applications.
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