Pistons, Rings, Wrist Pins, Bushings & More

Piston Oil Ring Spacer, 4.000 in. - 4.040 in. Bore, Each

Part Number: MLE-09290024

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Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP462543

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Pro GPX 86mm/3.386 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8600XX

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Piston Rings, Pro GPX Gas Ported, 4.310 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP431015

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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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Piston Rings, Pro GPX Gas Ported, 3.572 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP357215

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Piston Rings, Pro GPX Gas Ported, 3.898 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP389812

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Wrist Pin Lock Ring, C-Clip without Tang, Steel, .945 Pin Diameter, .063 in. Thick, Each

Part Number: MLE-9900539

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Piston Rings, Pro GPX Gas Ported, 3.903 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP390312

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400515

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP401015

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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403013

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Piston Rings, Pro GPX Gas Ported, 4.400 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP440016

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406012

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP406043

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Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4500446

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Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP450046

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Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP462546

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP406010

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Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP425016

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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 )

Estimated Ship Date: Monday 1/5/2026

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 )

Estimated Ship Date: Monday 1/5/2026

Oil Ring Support Rails, 4.125 in-4.185 in. Bore, 3.mm, Each

Part Number: MLE-9290032

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP401010

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Piston Rings, Pro GPX Gas Ported, 4.035 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP403516

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