Speed Pro Piston Rings Plasma-moly 4.270 in. Bore 1/16 in. 1/16 in. 3/ R990420
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Notes: Piston Rings Plasma-moly 4.270 in. Bore 1/16 in. 1/16 in. 3/16 in. Thickness 8-Cylinder Set
Sealed Power plasma-moly piston ring sets feature heat-resistant plasma-molybdenum facing material. Plasma-moly is a relatively soft and porous ring facing with excellent oil carrying capacity and fast conformability (break-in) to the cylinder bore surface. They are a premium part of the comprehensive line of Sealed Power engine components that provide innovative designs, use leading edge materials, and utilize ISO and QS certified manufacturing to deliver top-quality products that meet the rigorous demands of both classic and today's modern engines. Features of and benefits of Sealed Power plasma-moly piston ring sets include: - Improved bond strength of plasma-moly provides excellent resistance to flaking - Controlled porosity of the coating results in improved top ring lubrication - Variety of top ring materials - Decreased friction - High melting point of moly for very high resistance to scuffing - Exacting tolerances * Meets or exceeds OEM specifications * Recommended for street use, marine use, and for racing where file fitting is not required