Pistons & Piston Rings

Piston Pin, Steel, Straight, 18.05mm x 53.75mm, Mercury, Each

Part Number: WIS-S518

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Piston Pin, Steel, Tapered, 23.06mm x 70.00mm, Yamaha, Each

Part Number: WIS-S519

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Piston Pin, Steel, Chrome, Tapered, 15.00mm x 56.00mm, for use on Honda®, Kawasaki, Each

Part Number: WIS-S522

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Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4185HF

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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

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.102 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4125HF

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4.125" x 1/16x1/16x3/16" Set*

Part Number: WIS-4125R

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

Part Number: WIS-4130H

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Piston Rings, Gas Nitrided, 4.147 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4147GFX

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Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4155HF

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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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Ring Set- 4.290" x 1/16x1/16x3/16"

Part Number: WIS-4290H

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Piston Rings, Plasma-moly, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4320H

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H13 WRIST PIN .7086D/ 2.280L/ .150W Cham

Part Number: TPD-S0571

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Estimated Ship Date: Sep 19, 2025 if ordered today

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H13 PIN .748D/2.350L/.155W ROSS Chamfer

Part Number: TPD-S0578

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H13 .7873D 2.360 L .250 Chamf MTC Taper

Part Number: TPD-S0598

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H-13 WRISTPIN .8126D/2.050L/.130W TTC

Part Number: TPD-S0602

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H13 .827D/2.250L/.235W JE CHAMFER

Part Number: TPD-S0615

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H13 PIN .859D/2.500L /.150W Wiseco Chamf

Part Number: TPD-S0619

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H13 .866"D/1.850"L/.150"W/JE CHAMFER

Part Number: TPD-S0620

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Estimated Ship Date: Sep 19, 2025 if ordered today

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Piston Pin, Tool Steel, Straight, 18mm x 44.45mm, KTM, Yamaha, Each

Part Number: WIS-S759

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Piston Wrist Pins, 52100 Steel, 0.906 in. Diameter, 2.250 in. Length, 138 grams, Each

Part Number: WIS-S790

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Piston Wrist Pins, 52100 Steel, 0.927 in. Diameter, 2.750 in. Length, 151 grams, Each

Part Number: WIS-S793

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Piston Wrist Pins, 52100 Steel, 0.866 in. Diameter, 2.250 in. Length, 122 grams, Each

Part Number: WIS-S796

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Piston Wrist Pins, 52100 Steel, 0.927 in. Diameter, 2.750 in. Length, 172 grams, Each

Part Number: WIS-S801

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