Piston Rings

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045045

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Piston Rings, Premium Race Series, 4.040 in. Bore, File Fit, 1.2, 1.5, 3.0mm Thickness, V8, Set

Part Number: JEP-JG31F840402

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Piston Rings, Gas Nitrided, 4.040 in. Bore, 0.047 in., 0.047 in. 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4042GFX

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Estimated Ship Date: Dec 15, 2025 if ordered today

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