Wiseco Pistons & Piston Rings

Oil Rail Support, Dimpled, 4.000 in. up to 4.037 in. Bore, Each

Part Number: WIS-GLS25

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Wrist Pin Retainer, Wire Locks, 0.591 in. Diameter, 0.039 in. Thick, Steel, Pair

Part Number: WIS-CW15

5.0 out of 5 stars ( 1 )

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Piston Rings, Gas Nitrided, 4.037 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4037GFX

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4040H

5.0 out of 5 stars ( 1 )

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Oil Rail Support, Dimpled, 4.030 in. up to 4.059 in. Bore, Each

Part Number: WIS-W4954

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Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Left Side, Chevy, Small Block, Each

Part Number: WIS-60030LB4

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Wrist Pin, Steel, Each

Part Number: WIS-S710

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Forged Aluminum, 66.400mm Bore, Honda®, Kit

Part Number: WIS-702M06640

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston, Yamaha/3 55/85/90HP 3258KD

Part Number: WIS-3131P3

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Professional Series, Forged Aluminum, Flat Top, 4.020 in. Bore, Stock Stroke, Rings Included, Left Side, Chevy, LS, Each

Part Number: WIS-60045LX2

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Pistons, Professional Series, Forged Aluminum, Flat Top, 4.020 in. Bore, Stock Stroke, Rings Included, Right Side, Chevy, LS, Each

Part Number: WIS-60045RX2

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Engine Piston, Yamaha/3 55/85/90HP 3228KD

Part Number: WIS-3131PS

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Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.049 in. Thickness, 0.945 in. Wrist Pin Diameter, Arctic Cat, Kawasaki, Pair

Part Number: WIS-CW24

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Chevy LS Series -3.2cc FT 4.030" Bore

Part Number: WIS-6398RX3

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.049 in. Thickness, 0.709 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW18

5.0 out of 5 stars ( 2 )

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Piston and Ring Kit, Forged Aluminum, 47.000mm Bore, Honda®, Kit

Part Number: WIS-PK1269

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Piston, Ford Small Block Windsor Piston, 4.040 in. Bore, 1.600 in. Compression Height, 0.912 in. Pin Diameter, Pro Tru Street, Set of 1.

Part Number: WIS-5500A4

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Wrist Pin Retainer, Steel, 1.094 in. Diameter, .050 in. Thick, Set of 4

Part Number: WIS-W5315

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Piston Wrist Pins, 5115 Steel, 0.866 in. Diameter, 2.250 in. Length, 110 grams, Each

Part Number: WIS-S747

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Right Side, Chevy, Small Block, Each

Part Number: WIS-60032RB4

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Wrist Pin, Steel, Each

Part Number: WIS-S691

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Wrist Pins, 52100 Steel, 0.990 in. Diameter, 2.930 in. Length, 203 grams, Each

Part Number: WIS-S797

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Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4155H

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Piston Lock Rings, Wire Lock, Carbon Steel, .990 in. Pin Diameter, 0.072 in. Wire Diameter, Pair

Part Number: WIS-W5242

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Piston, 3.228 in. Bore, 2618 Forged Aluminum, ArmorGlide Skirt Coating, with Pin and Spirolox, Yamaha, Turbo, 2005-12, Kit

Part Number: WIS-4894M08200

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