SKU: HAS2M5528065
UPC: 075538249108
MPN: 2M5528065
The Hastings Piston Ring Set 4.380 1/16 1/16 3/16 is a premium ductile moly piston ring kit engineered for eight-cylinder engines requiring precise file-fit installation. This complete set delivers the bore-specific dimensions and ring thickness specifications necessary for proper compression sealing, blow-by control, and oil management in high-performance and stock engine builds.
Built from ductile iron with plasma moly coating, this piston ring set combines material toughness with superior anti-scuff properties and reduced friction. The 4.380-inch bore diameter accommodates larger displacement engines, while the 1/16-inch top and second ring thickness paired with 3/16-inch oil ring thickness follows industry-standard proportions for balanced gas sealing and oil control. File-fit design requires precision honing and proper installation, ensuring optimal ring gap clearance and cylinder wall contact for consistent performance across engine speeds and loads. Standard tension rings provide reliable seating without excessive drag.
This piston ring kit is intended for engine builders and machine shops performing complete engine rebuilds, boring and honing operations, or high-mileage engine restoration on eight-cylinder powerplants. Whether addressing worn compression rings, replacing damaged rings from previous operation, or building a fresh engine assembly, this Hastings set provides the bore-specific sizing and material quality expected in professional engine work. Proper installation requires precise bore dimensions, correct ring gap setting, and adherence to manufacturer installation guidance.
Piston ring selection depends on exact bore diameter, ring thickness tolerance, and the specific engine platform being serviced. The 4.380-inch specification matches applications requiring this exact bore size; verify compatibility with your engine's specifications before purchase. Hastings is recognized for OEM-quality ring manufacturing and aftermarket engine component reliability.
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