Piston Rings - Pro Steel Series - 4.125 in Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Low Tension - Steel - Plasma Moly - 8-Cylinder - Kit

JE Pistons Ring Sets 1.2-1.5-3.0 RINGS

JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various materials, and in multiple thicknesses to suit a wide variety of engines. JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating. These services, the same used by top NHRA Pro Stock and NASCAR teams, are now available to the public and offer tremendous gains in durability, power through reduced friction, and improved ring seal.

Additional Information

Piston Ring Set, 8 Cyl., File Fit, 0.0472 in. Carbon Steel Plasma Moly Top Ring, 0.0591 in. Iron Phosphate Second Ring, 0.1181 in. Carbon Steel Chrome Low Tension Oil Ring, Each.

Part Type

Engine Piston Ring Set

• High strength alloy steel top ring provides superior bore conformity
• optional 2nd ring Napier hook profile design helps improve oil control and effeciency
• outstanding seal and wear characteristics of a high velocity plasma moly inlay coating
• reduced ring radials and short axial heights help minimize cylinder wall drag
• top ring weighs under 10 grams

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

Piston Rings, Plasma-moly, 4.125 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

JE Pistons Pro Steel piston rings utilize a high-strength, alloy-steel top ring that provides superior bore conformity. This is complemented by the outstanding seal and wear characteristics of a high-velocity, plasma-moly inlay coating. The top ring weighs under 10 g as a result of reduced ring radials and short axial heights, helping to minimize cylinder wall drag. The optional second ring's Napier hook profile design helps to improve oil control and efficiency.