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Wiseco XX Piston Ring Sets

4.5 out of 5 stars 8 Customer Reviews

Wiseco XX piston ring sets are designed for use with Wiseco pistons only. They can be used in cast iron, nickel ceramic plating (Nikasil), boron composite, and Electrofusion bores and feature a stainless steel, 1mm thickness, gas-nitrided, barrel-faced top ring. They also contain an under-hook style, 1.2mm thickness, cast iron, phosphate coated, taper-faced second ring. The oil rings in these XX sets are 3-piece assemblies with 2.8mm thickness, gas-nitrided rails, and a stainless steel, flex-vent spacer.

Caution: Wiseco XX 4-stroke rings cannot be used in chrome plated bores; engine damage will occur.

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Wiseco XX Piston Ring Sets 9950XX

Piston Rings, Gas Nitrided, 99.50mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-9950XX

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

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