Pistons, Rings, Wrist Pins, Bushings & More

ProX Piston Kit PW50 '81-22 (40.50mm)

Part Number: PXR-01-2005-050

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ProX Piston Kit PW50 '81-22 (41.00mm)

Part Number: PXR-01-2005-100

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ProX Piston Kit YZ65 '18-22 (43.45mm)

Part Number: PXR-01-2018-B

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ProX Piston Kit YZ65 '18-22 (43.46mm)

Part Number: PXR-01-2018-C

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ProX Piston Kit YZ85 '02-22 (47.44mm)

Part Number: PXR-01-2114-A

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ProX Piston Kit KX100 '14-21 (52.45mm)

Part Number: PXR-01-4194-A

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ProX Piston Kit KX250F '17-19 13.7:1 (76.96mm)

Part Number: PXR-01-4348-A

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ProX Piston Kit KX250 '20 14.2:1 (77.98mm)

Part Number: PXR-01-4350-C

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ProX Piston Kit YZ250F '16-18 /250FX '17-19 13.5:1 (76.95mm)

Part Number: PXR-01-2417-A

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ProX Piston Kit Yamaha XT/TT600 '84-04 (95.50mm)

Part Number: PXR-01-2601-050

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Piston, Forged, Dome, Single Valve Relief, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each

Part Number: JEP-231510S

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.610 in. Bore, 4.750 in. Stroke, 6.660 in. Rod, 1.140 in. Compression, Chevy, Each

Part Number: JEP-293519-1

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311978R

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ProX Piston Kit Sherco 250SE-R '14-16 (66.35mm)

Part Number: PXR-01-7334-B

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ProX Piston Kit Sherco 250SE-R '14-16 (66.36mm)

Part Number: PXR-01-7334-C

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Piston, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Each

Part Number: JEP-142022S

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Ring Set , 1.5-1.5-4mm-3.386 - RING SET

Part Number: JEP-J614AF4-3386

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Piston Rings, Plasma-moly, 3.425 in. Bore, 1.5 mm, 1.5 mm, 4.0 mm Thickness, 4-Cylinder, Set

Part Number: JEP-J61AF4-3425

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Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in, 1/16 in. 3.0mm Thickness, Single-Cylinder, Set

Part Number: JEP-J30001-41255

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1.5-1.5-3.0

Part Number: JEP-J610F4-3622

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Piston, Forged, Dome, 2-Valve Reliefs, 4.470 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-139534S

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ProX Piston Kit KTM380SX-EXC '98-02 (77.96mm)

Part Number: PXR-01-6398-C

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ProX Piston Kit Husq TC450 '06-10, TXC450 '08-10 (96.97mm)

Part Number: PXR-01-6438-B

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ProX Piston Kit KTM400EXC '09-11/Husa FE390 '10-12 (94.95mm)

Part Number: PXR-01-6439-B

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ProX Piston Kit Husaberg FE550 '03-08 11.8:1 (99.96mm)

Part Number: PXR-01-6503-B

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Estimated Ship Date: Mar 13, 2026 if ordered today

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