Piston Rings

Piston Rings, Moly, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-178K30

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Piston Rings, Moly, 3.940 in. Bore, 5/64 in., 5/64 in., 5/32 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-642K30

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Estimated Ship Date: Tomorrow

Piston Rings, Plasma-moly, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-3940VK

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Estimated Ship Date: May 8, 2026 if ordered today

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Engine Piston Ring Set 87-91 DOD 3.9L

Part Number: EGN-R39156030

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Piston Ring Set 58-01 CHR/DOD/JEP/PLY 5.2L

Part Number: EGN-C39158030

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Piston Ring Set 58-01 CHR/DOD/JEP/PLY 5.2L

Part Number: EGN-R39158030

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Engine Piston Ring Set 87-91 DOD 3.9L

Part Number: EGN-C39156030

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Special Order