Perf. Piston Ring Set V8 4.060 Bore 1.2x1.2x3.0

The Perf. Piston Ring Set V8 4.060 Bore 1.2x1.2x3.0 is engineered for serious engine builders and mechanics who demand precision in high-performance V8 applications. This NPR piston ring set is designed for 4.060-inch bore engines and serves as a critical component in engine rebuilds, performance upgrades, and restoration projects. Whether you're refreshing a tired long-block or constructing a modified big-block, proper ring selection directly impacts compression, blow-by control, and overall engine efficiency.

The 1.2x1.2x3.0 ring geometry specifies top ring thickness of 1.2mm, second ring thickness of 1.2mm, and oil ring thickness of 3.0mm—a configuration optimized for balanced sealing and durability in V8 engines operating at elevated RPMs and boost levels. NPR's manufacturing process ensures tight tolerances and consistent material hardness, critical factors that prevent excessive blow-by and reduce oil consumption. The staggered ring thicknesses work together to manage combustion pressures while maintaining stable oil film across the cylinder wall, a balance essential for both naturally aspirated and forced-induction builds.

This ring set is ideal for mechanics rebuilding small-block Chevrolet, Ford, or Mopar V8s, as well as custom stroker and big-block applications with 4.060-inch bore specifications. Installation requires precise piston-to-bore clearance verification and careful ring gap filing to match your specific build parameters—standard practice for any quality engine assembly. Proper installation with quality ring compressors and attention to ring end-gap specifications ensures maximum seal integrity and engine longevity, making this NPR ring set a reliable foundation for power and reliability.