Pistons & Piston Rings

Piston Rings, Performance, HV385 Thermal, 4.040 in. Bore, File Fit, 1.0mm, 1.0mm, 2.0mm Thickness, L1, Set

Part Number: MLE-4045MS112-1

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-661

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro GPX 90.5mm/3.563 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9050XX

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Estimated Ship Date: Today

Pro GPX 85.5mm/3.366 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8550XX

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Estimated Ship Date: Today

Piston Rings, Chrome, 39.00mm, Cobra, LEM, Set

Part Number: WIS-1535CD

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Estimated Ship Date: Today

Piston Rings, Plasma-Moly, 97.25mm Bore, 1.2mm, 1.2mm, 2.5mm Thickness, Single Piston, Set

Part Number: SLP-R10607-25MM

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston Rings, Gas Nitrided, 87.50mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-8750XX

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Estimated Ship Date: Today

PISTON RING SINGLE SET

Part Number: CNN-RS1MGNHD4005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Piston Ring Sets, Chrome, 4.036 in. Bore, 3.0mm, 2.38mm, 4.0mm Thickness, Single Cylinder Set, L6, Set

Part Number: MAH-S42221020

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Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.917 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, L4, Set of 4

Part Number: HSN-2C5219

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Estimated Ship Date: Today

PISTON RING SINGLE SET

Part Number: CNN-RS1MGNHD4155

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Piston Rings, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.785 in. File Fit to 3.780 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-3785HF

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, Single Piston, Set

Part Number: JEP-JG31F14155-3

Not Yet Reviewed

Estimated Ship Date: Today

Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each

Part Number: SUM-S719

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.130 in. Bore, 3.14mm, 2.5mm, 3.45mm Thickness, Single Cylinder Set, V8, Each

Part Number: MAH-S42104020

Not Yet Reviewed

Estimated Ship Date: Today

Piston Ring, TNT, Steel, 4.600 in. Bore, 0.043 in. Thickness, Top Ring, Each

Part Number: TSR-200049

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Estimated Ship Date: Tomorrow if ordered today

• Special Order

Piston Rings, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-060

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.059 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139060

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Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 3.992 in. Bore, Plasma-moly, 1.6mm, 1.75mm, 3.5mm Ring Thickness, L6, V6, Set of 6

Part Number: HSN-2M4627040

Not Yet Reviewed

Estimated Ship Date: Today

Powersports Piston Rings, 3.031 in. Bore, Single Piston, Universal, Each

Part Number: WIS-7700XX

Not Yet Reviewed

Estimated Ship Date: Today

Piston Ring Set, Ductile Iron, 106.553mm Bore, Set

Part Number: WIS-4195H

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Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP020

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.937 in. Bore, Chrome, 1.2mm, 1.2mm, 2.0mm Ring Thickness, H4, L4, Set of 4

Part Number: HSN-2C5219020

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Estimated Ship Date: Today