Pistons & Piston Rings

3.940" AUTO RING (1 SET FOR 1 PSTN)

Part Number: WIS-3940H

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Ring, Top Ring, Gas Nitrided, 4.082 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4082FTX

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Estimated Ship Date: Oct 31, 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, Single Piston, Set

Part Number: WIS-4125H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 31, 2025 if ordered today

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Ring Set- 4.130 x 1/16x1/16x3/16

Part Number: WIS-4130H

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Estimated Ship Date: Oct 31, 2025 if ordered today

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3MM OIL RING ONLY (4.153" - 4.162")

Part Number: WIS-4160F

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.127 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4160H

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Ring, Top Ring, Gas Nitrided, 4.057 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4057FTX

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Wrist Pin, 0.984 in. Diameter, 2.750 in. Length, Chromoly, 0.155 in. Wall Thickness, Each

Part Number: TPD-G9842750155

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Estimated Ship Date: Nov 5, 2025 if ordered today

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RING KIT

Part Number: NTI-NA-40019R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 72.00mm Bore, Polaris, Kit

Part Number: NTI-NA-50000R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 92.00mm Bore, Polaris, Kit

Part Number: NTI-NA-50004R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston and RING KIT RING KIT

Part Number: NTI-NA-50012-2R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 74.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10002R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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RING KIT

Part Number: NTI-NA-10003-4R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 85.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10003R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 92.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10008R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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PISTON RINGS 92.5MM HON FOR NAMURA PISTONS ONLY

Part Number: NTI-NA-10093-2R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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PISTON RINGS 92MM HON FOR NAMURA PISTONS ONLY

Part Number: NTI-NA-10093R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 66.40mm Bore, Kawasaki, Kit

Part Number: NTI-NX-20025R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 76.95mm Bore, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 48.00mm Bore, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20080R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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PISTON RINGS 47.97MM KAW FOR NAMURA PISTONS ONLY

Part Number: NTI-NA-20080-4R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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PISTON RINGS 48.47MM KAW FOR NAMURA PISTONS ONLY

Part Number: NTI-NA-20080-6R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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RING KIT

Part Number: NTI-NA-30010R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Powersports, Steel, Gas Nitrided Top, 64.00mm Bore, Yamaha, Kit

Part Number: NTI-NA-40000R

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Estimated Ship Date: Oct 27, 2025 if ordered today

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