Pistons & Piston Rings

Piston Rings, Pro HEMI, 4.055 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-405512

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Piston Rings, Pro HEMI, 3.917 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-391712

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.810 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, V6, Set

Part Number: MAH-42155CP030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston Rings, Plasma-Moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486041255

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Piston Rings, Plasma-Moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486240305

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Pistons, Cast, Flat, 3.720 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring, Ford, Mercury, 4-Cylinder, Set of 4

Part Number: UEM-1185-040

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Cast, Flat, 3.680 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford, Mercury, L4, Set of 4

Part Number: UEM-1185-STD

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M437030

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050030

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.125 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050060

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston Rings, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C4762020

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston Rings, Performance, 3.634 in. Bore, 1.2mm, 1.2mm, 2.5mm, 6-Cylinder, 6 Sets

Part Number: MLE-9230MS6-12

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Piston Rings, Ceramic PVD, 4.036 in. Bore, 3.0mm, 2.35mm, 4.0mm Thickness, 6-Cylinder, Set

Part Number: HSN-2D491450

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C450

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8571035

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-STD

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5581045

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SB Chevy DM 4.125B/1.125CD

Part Number: DPP-11815

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5508045

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508065

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 101.4mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Set of 6

Part Number: UEM-3155HC-1-0MM

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5017010

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Piston and Ring Kit, Forged Aluminum, 65.500mm Bore, Yamaha, Kit

Part Number: WIS-795M06550

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston and Ring Kit, Forged Aluminum, 66.000mm Bore, Yamaha, Kit

Part Number: WIS-513M06600

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Estimated Ship Date: Dec 15, 2025 if ordered today

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