Perf. Piston Ring Set V8 4.130 Bore 1.5x1.5x3.0

The NPR Performance Piston Ring Set V8 4.130 Bore 1.5x1.5x3.0 is designed for serious engine builders and performance enthusiasts who require reliable ring seal and blow-by control in high-displacement V8 applications. This ring set is specifically engineered for engines with a 4.130-inch bore diameter, making it suitable for stroker builds, racing engines, and heavily modified platforms that demand precision-fitted compression and oil control rings.

Manufactured to tight tolerances, NPR piston rings feature a three-piece ring pack configuration consisting of two compression rings (1.5mm and 1.5mm) and one oil control ring (3.0mm). This design optimizes sealing during the power stroke while minimizing friction and facilitating efficient oil return to the pan. The material composition of NPR piston rings ensures excellent heat resistance and durability under sustained high RPM and high boost conditions, making them critical for forced induction setups and track use.

Engine builders working on big-block Chevys, Fords, Mopars, and modern LS-based stroker platforms will find this piston ring set particularly beneficial, as it ensures a precise fit in modern big-block and stroker applications. The 4.130-inch bore specification prevents ring flutter and side clearance issues that could compromise performance, making it an essential component for any high-performance engine build.