SKU: NPR20-GNHM4130K8
MPN: 20-GNHM4130K8
The Perf. Piston Ring Set V8 4.130 Bore 1.2x1.5x3.0 from NPR Piston Rings is designed for serious V8 engine builders and mechanics engaged in high-performance modifications. This ring set aims to restore compression, reduce blow-by, and optimize combustion efficiency in big-bore V8 applications.
The dimensions of 1.2 x 1.5 x 3.0 specify the thicknesses of the top compression ring, second compression ring, and oil control ring respectively. This staggered design helps distribute pressure loads evenly and minimizes ring flutter at high RPM. Constructed from performance-grade alloy steel, these rings ensure consistent gas sealing across the piston groove, which is crucial for maintaining horsepower.
Engine builders and mechanics will find this ring set beneficial for fresh engine builds, displacement-increased engines, and applications where OEM specifications may not be applicable. It is particularly suited for mid-to-large displacement blocks common in LS, big-block Chevy, and big-block Ford platforms, making it a versatile choice for custom engine assembly.
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