SKU: NPR20-GNHD4135K8
MPN: 20-GNHD4135K8
The Perf. Piston Ring Set V8 4.135 Bore 1.5x1.5x3.0 from NPR Piston Rings is designed for engine builders and performance-focused mechanics who require precision ring geometry and reliable sealing under high-combustion pressures. This ring set is specifically engineered for V8 applications with a 4.135-inch bore, ensuring optimal performance in various engine builds.
The ring set features a 1.5mm top ring, 1.5mm second ring, and 3.0mm oil ring configuration, which is purpose-built for the specified bore size. Constructed from traditional cast iron, these rings are manufactured to precise tolerances, ensuring a consistent groove fit and effective gas sealing across all eight cylinders. This design helps maintain proper ring end-gap and side clearance, which are critical for power output and engine longevity.
Engine builders restoring or upgrading V8 blocks with a 4.135-inch bore will benefit from this performance piston ring set. It is suitable for both naturally aspirated and forced-induction platforms, providing excellent sealing and minimal blowby under various operating conditions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.